>> reporter: private tisheena james, 21 of jersey city, new jersey. she was awarded a global war on terrorism medal. yingming sun, recognized for serving the u.s. overseas. and 21-year-old mitchell winey of valparaiso, indiana, a west point cadet, training with active duty soldiers. the army says the accident that killed the nine soldiers happened thursday morning. they were in a tactical vehicle like this one that became stuck while the truck's driver was attempting to cross a creek. it was swept away and overturned. three soldiers were rescued and have been cleared to return to duty. today, church services honored the nine dead. eight of the nine soldiers killed were actually truck operators. we have since learned that when the accident happened, officials here at ft. hood were actually in the process of deciding whether or not to close some of the paved roads here at ft. hood because of that flash flooding. >> tremendous loss.

david, thank you. well, tonight, six large wildfires are burning in california. one that is threatening calabasas, an upscale suburb of los angeles. hundreds of acres have burned. at least 5,000 people have been forced from their home. several firefighters have been injured. >> reporter: despite firefighters' best efforts, the so-called old fire destroyed this building and seriously damaged two houses just hours after it began. dry drought conditions combined with hot temperatures, made for fast-burning fuel saturday afternoon and created major problems for more than 400 firefighters. l.a. county fire deputy chief john tripp. >> we had hundreds of spots, small fires, that just kept merging into a large fire. we had fires all around, in front of us, behind us, on either side of us. >> reporter: 3,700 homes were in

topanga canyon, were in the fire's direct path. actor phil reeves, who stars in "veep," took this video. last night, thousands were forced to evacuate. >> like a scene out of a hollywood movie, and eventually it jumped the road, got behind us, to the left, in front of us, and we had to get evacuated. the whole area was up in flames within minutes. >> reporter: helicopter crews took advantage of this nearby lake, pulling up water and dropping it on flames as they edged closer to hundreds of homes. cool overnight conditions helped firefighters gain ground, but officials say the fire is not yet contained. the cause of the fire is being attributed to a pickup truck that was traveling at a high rate of speed, hit a power pole and caused a transformer to fall over and explode. elaine? >> devastating scenes there. maria, thanks so much. the cbs overnight news will be right back.

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on tuesday, voters head to the polls for presidential primary elections in six states. california has the most delegates at stake. juliana goldman has the latest on the campaign, including our new cbs news battleground tracker poll. >> reporter: in california, hillary clinton and bernie sanders are in a statistical dead heat. in new jersey, clinton is far ahead, beating sanders 61% to 34%. if the numbers hold, clinton is poised to pick up enough delegates to clinch the democratic nomination on tuesday. >> after tuesday, i'm going to do everything i can to reach out, to try to unify the democratic party, and i expect senator sanders to do the same.

>> reporter: but even as she's getting ready to take on trump, clinton's camp ignores sanders' supporters. a majority of them want to see him fighting to the convention. >> i think if i am not the nominee, we'll fight to become the nominee. it is secretary clinton's job to explain to those people why she should be -- why she should get their support. >> reporter: meanwhile, trump is coming under fire from his own republican allies like newt gingrich, for continuing to argue that a federal judge presiding over a lawsuit against trump university is biased because of his mexican heritage. >> this is one of the worst mistakes trump has made, and i think it's inexcusable. >> reporter: the former house speaker has been mentioned as a potential trump running mate. >> first of all, this judge was born in indiana. he's an american, period. >> reporter: and on face the nation, trump took the rhetoric a step further. >> if it were a muslim judge, would you feel like they wouldn't be able to treat you fairly because of that policy of yours?

>> it's possible, yes. >> reporter: trump's remarks about the judge were also rejected by bob corker, another potential running mate, and senate majority leader mitch mcconnell who said, he could not disagree more with a statement like that. >> juliana, thank you. severe weather is in the forecast tonight, from the carolinas to new england. powerful thunderstorms, hail, and even possible tornadoes are in the mix. chief meteorologist erik fisher is tracking the storms at wbv in boston. eric? >> you can see a big line of thunderstorms stretching from new york state to the mid atlantic and into the southeastern states this evening. this is the one we'll track. along the eastern seaboard. a number of severe thunderstorm watches out. chance for gusty, damaging winds, large hail and an isolated tornado as we head through the course of the evening. this is the whole corridor we're watching, essentially from new york city, right down to coastal

sections of georgia. meanwhile, our eyes are on the tropics. latest advisory, a tropical depression off cancun, a rather disorganized system, one that will likely gain status and if it does so, it's tropical storm colin. it takes a track just to the east of panama city. but it's going to be oddly shaped, not your classic tropical system. with heavy rain on the eastern side and that will be the biggest impact if it does become colin. tropical storm warnings from big ben to florida. right on down south of tampa. could see gusty winds, high surf. but again the focus really on the potential of flooding rainfall. we could see over a half foot of rain here in central northern florida and southern georgia as well. >> eric fibber -- fisher, thank you. well, paris and its surrounding villages are recovering from the worst floods in three decades. more now from jonathan in our london bureau. >> elaine, the flood waters are slowly receding in paris, but the city was so water logged, officials say the french capital could be flooded for up to ten days. a week of heavy rain caused

the seine river to burst its bank, making for some dramatic images and deadly conditions. french officials say the river peaked saturday at 20 feet above normal. the river is still so high, boats can't pass under bridges. the louvre remains closed after curators moved art from the basement to higher ground. several paris train stations are also shut down. in northern france, emergency crews were seen pumping out water from major highways and evacuating over 300 stranded cars. several european countries were hit hard by the powerful storms. at least 18 people died in flooding in france, germany, and belgium. more thunderstorms are forecasted for this week. but officials say the worst appears to be over. elaine, temperatures are expected to rise, which will help europe dry out. >> jonathan, thank you. when we continue, the fight for fallujah. we have a report from the front lines.

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iraqi forces have been trying to free the city of fallujah from the grip of isis. the city, about 40 miles from the iraqi capital, baghdad, has been under isis control for more than two years. charlie d'agata was outside fallujah and has this report. >> reporter: we're just back from the southern outskirts of the city where we joined iraqi special forces, elite troops trained by the u.s. military and described by u.s. military officials here as the most competent fighting force in iraq. progress is slow but steady. maybe 500 yards a day. the closer they get to the city itself, they're facing stiff resistance in the way of mortars, snipers, an extensive network of roadside bombs and car bombs. now, iraqi commanders told us that air strikes by the u.s. and its allies are the single biggest game-changer, responsible for 75% of the

success on the battlefield. and while we were there, we heard jets roaring overhead, followed by two or three huge explosions. we were told by iraqi commanders they hit their targets. a number of isis fighters, holed up in a building. but as iraqi forces close in on fallujah, it's gonna be more difficult to rely on air strikes for that close air support, out of concern for tens of thousands of civilians who remain trapped inside the city. elaine, commanders told us it's impossible to know how long it's going to take for their forces to enter fallujah itself. but when they do, that's when the real battle begins. urban combat, street by street fighting against an enemy who's dug in and has held on to that city for more than two years. >> charlie d'agata, thank you. the u.s. aircraft carrier "harry s. truman" has been launching air strikes against isis from the mediterranean sea.

seth doane went on board for a rare look at the long distance fight against the terror group. >> reporter: u.s. navy fighter jets continued their assault today against isis, but from a new staging area. this aircraft carrier had been in the persian gulf. it was brought up through the suez canal and repositioned here in the eastern mediterranean sea. this is the first time that the u.s. navy has launched air strikes from this part of the world since the iraq war in 2003. rear admiral bret bachelder told us the move shows flexibility in the fight against isis. >> we continue to strike at the financial capabilities, the revenue-generating sources that they have there, their abilities to generate forces, and at their leadership. >> reporter: that can mean striking militants or banks? >> yes, it could. >> reporter: so far, 1,800 combat missions, or airstrikes, have been flown from this

carrier since it was deployed. dealing a blow to the terrorist group. >> they do not have the same real estate or freedom to maneuver that they did when we arrived in december. >> reporter: the u.s. says "harry s. truman" will be heading home soon but it's keeping up the fight for now, as this is such a crucial time in the battle against isis. still ahead, remembering muhammad ali. at a new york boxing gym with ties to the champ. at a new york ties to the champ. at a new yorkg gym with ties to the champ. at a new yor boxing gym with ties to the champ.

>> the greatest of all time,

muhammad ali. [ bell dings ] >> the ringside bell tolled a final ten count for the champ, a touching tribute to muhammad ali last night on hbo's boxing after dark. ali is being remembered this weekend at gleason's gym, a new york boxing institution with ties to the champ. demarco morgan is there. >> reporter: it was back in 1964 that a young fighter and olympic gold medalist named cassius clay was training at gleason's gym in the bronx, right before his fight with sonny liston. since then, that gym has moved to this spot in brooklyn. soon as you walk through the doors, trainers and boxers and visitors alike will tell you the champ's presence can be felt here. ali's memorabilia and pictures cover the wall. there are photos of the champ with his trainer angelo dundee before his fight with another boxer. gleason's boxing gym is also where 134 world champions have

trained since its doors opened in 1937. no surprise why the champ decided to work out at gleason's during his career. the gym's owner was a friend of ali's, who says young boxers still want to learn the champ's winning moves. >> he's not only a boxing hero and a boxing champion, he's an american icon. he changed the style. the kids are coming to the gym, they want to train like muhammad ali. they want to have his style. >> reporter: i spoke with the owner today and he tells me there are several tributes in the works for muhammad ali, including a permanent memorial at the gym. >> demarco morgan, thanks so much. we'll close our broadcast with a tribute to the champ.

three-time heavyweight champion, the poet laureate of pugilism, a philosopher with fists of steel -- >> last night on cbs, josh elliott, my colleague at cbsn anchored a special "48 hours" tribute to muhammad ali. it included an interview with boxing great george foreman, remembering his friend and former opponent the champ. >> i considered muhammad ali to be my brother. that big mouthed brother that i never had. when i was a young boy, we all loved muhammad ali. after i became a boxing champion, i got distant. >> i'm so fast i can run through a hurricane and don't get wet. when george foreman meets he, he'll pay his debt. >> i went to africa certain i would come back with my world title, that i would easily beat muhammad ali.

i lost the fight, and he was there screaming, i'm the greatest. that devastated me. and for years, i thought, my whole life was bent around getting revenge on muhammad ali. i didn't like him, i wanted to beat him. but that all changed and it started way back in the late '70s when he wanted me to come back. he said, george, i want you to do me a favor, i want you to come back to boxing and beat ken norton for me. beat him up because i can't beat him, george. so he was going to trick me back into boxing just to get rid of nordon for him. from that point on, we became telephone friends and we visited and we became great friends. i realized that all those years i had missed what everybody else had enjoyed, a relationship with muhammad ali. he was truly the greatest.

he had poems, he'd get on the telephone with you. he was interesting. make your heart beat fast. that's how exciting muhammad ali was. i think the best part of muhammad ali, more than that of being a great athlete, or even a great boxer, was his mere presence. he'd get into the ring and you weren't fighting a boxer. you weren't fighting a slugger. you were having to contend with the presence of one of the greatest human beings that i've ever met in my life. he was a great man. how do you fight a great man? because you don't hit him with a jab. you don't hit him with a right-hand. you've got to hit them back with greatness. and i think if you look for the best boxer, don't look to muhammad ali. if you look for the greatest puncher, don't look to muhammad ali. but if you looking for the greatest presence that was ever in the ring, you look to muhammad ali. >> that's the overnight news for this monday. for some of you, the news continues. for others, check back with us a little later for the morning ews and cbs this morning.ing

from the broadcast center in new york city, i'm elaine quijano. this is the cbs overnight news. welcome to the overnight news. i'm eline -- elaine quijano. it was the champ's final journey to his hometown of louisville, kentucky. boxing legend and civil rights activist muhammad ali died in phoenix arizona friday night after a long battle with parkinson's disease. he was 74 years old. late today, his body arrived in louisville, where there will be a private funeral on thursday and a public service friday. we're told ali himself helped plan the funeral arrangements. former president bill clinton and comedian billy crystal are among those who will eulogize the champ. more now from jericka duncan in louisville.

>> reporter: muhammad ali's spirit was felt inside the king solomon missionary baptist church this morning, before converting to the islamic state, ali first learned what it means to have faith here. ♪ ♪ >> reporter: his brother attended the church today and was overcome with emotion. after the service, he said he's looking forward to friday. >> love and happiness for muhammad's memory. love, love, love and happiness. >> reporter: since ali's death, crowds have been coming to the muhammad ali center, to reflect on their memories of the champ. how did you guys become friends? >> we became friends, wind up practicing, training together, boxing. >> reporter: ali's friend victor bender had nearly a lifetime of memories. e met ali when he was 13. >> as a youngster, he was very quiet. >> reporter: really? >> yes, wasn't at all. >> it wasn't until he got the medal. >> when he got that medal, a whole different world changed for him. >> reporter: having visited ali

several times in recent years, bender says he thought his long-time friend would fight his way out of the hospital, as he had done several times before. how is his wife doing? >> she's the backbone. lonnie's a very special woman. she loves her husband and she wanted to be there every time, nything, his needs, she was e, there to make sure he had it. >> this was the day after he beat spinks -- >> reporter: former sports writer billy reed covered the three-time heavyweight champion for decades. he said he was concerned when he last saw ali in october at a university of louisville football game. >> i just leaned down and kissed his bald spot and said, god bless you, champ. and i don't know why i did it, but i think probably now, i was probably saying goodbye. >> reporter: he's obviously touched you? >> yes. more so than probably i knew. >> reporter: tonight, an islamic

center here in louisville, will have an interfaith service for the boxing legend. organizers there tell me they're expecting hundreds, if not more people to attend. >> thank you, jericka. here with a look back at muhammad ali's life and legacy is scott pelley. >> i must be the greatest! >> reporter: never humble, always bold. muhammad ali burst onto the boxing world's stage with an unorthodox style and a sharp tongue that moved as fast as his dancing feet. >> i'm gonna float like a butterfly and sting like a bee. his hand can't hit what his eyes can't see. >> reporter: he was born cassius marcellus clay jr in louisville, in 1942. he first captured the world's attention as an 18-year-old in 1960 with a gold medal victory at the olympics. he was just three months out of high school. as a teenager, he called boxing coaches to tell them that one day he would be their world champion.

and in 1964, at 22 years old -- he defeated big sonny liston to become the world heavyweight champion. >> that might be all, ladies and gentlemen. >> reporter: the youngest boxer ever to hold the title. >> muhammad ali. >> reporter: it was in that spotlight that cassius clay announced that he was changing his name and converting to islam. because he said, the religion simply appealed to him. >> cassius clay is the name no more, is that right? >> yes, sir. it's muhammad ali, meaning worthy of all praises, and most high. >> reporter: muhammad ali remained the world heavyweight champion until 1967, but then his career came to a halt, when ali refused induction into the army, claiming he was a conscientious objector to the vietnam war. he was stripped of both his boxing license and his heavyweight title and convicted of draft evasion. >> i'm not allowed to fight in america.

i'm not allowed to leave america, and i've been completely persecuted before prosecuted. >> reporter: ali was forced out of the ring for three years, until the supreme court overturned his draft evasion conviction. but he had lost some of his best boxing years. at madison square garden in 1971, in what was billed as the fight of the century, ali's comeback was stopped by long-time nemesis joe frazier. it was ali's first professional defeat. and it would take him three years and several more bruising fights to come back. >> ali quickly across the ring. >> reporter: in 1974, he regained his heavyweight title, his rope-a-dope strategy exhausted the hard-hitting george foreman, and ali scored a stunning eighth round knockout

in zaire. then, in 1978, he lost the title to leon spinks, and won it back a few months later. >> y'all thought i was gone, didn't you? but you still have me to reckon with. >> reporter: but ali was no longer invincible and took plenty of punishment before finally calling it quits in 1981. >> this might be my last fight tonight. a great possibility, you probably saw the last of ali. >> reporter: he was 39 years old, with a pro record of 56 wins and five defeats. just into his retirement at age 42, ali had to face perhaps the biggest fight of his life when he was diagnosed with parkinson's disease, the most graceful of boxers, slowly lost control of his body. it became hard to walk, and even harder to speak. >> so maybe when we get up there, we can sit you down in the chair and you can talk. that be okay? >> probably. >> probably? >> reporter: during a "60 minutes" filming, ali tried to

do an interview. >> you can't talk? >> reporter: but he walked because he told ed bradley later he didn't want to be pitied. the fighter's instinct never left ali. he playfully jabbed at his fans from all walks of life, including fidel castro. and in 1991, he did the near impossible when he met saddam hussein and negotiated the release of people who were being used by iraq as human shields. he was later awarded the medal of freedom at a white house ceremony in 2005, the highest civilian award bestowed by the president and he couldn't resist one his unwavering courage in the face of his toughest enemy transformed ali into another kind of champion, one who did not go down easily, who stands ever more as an icon of triumph. >> the cbs overnight news will be right back.

overseas, iraqi forces have been trying to free the city of fallujah from the grip of isis. the city, about 40 miles from the iraqi capital, baghdad, has been under isis control for more than two years. charlie d'agata was outside fallujah today and has this report from the front line. >> reporter: we're just back from the southern outskirts of the city where we joined iraqi special forces, elite troops trained by the u.s. military and described by u.s. military officials here as the most competent fighting force in iraq. progress is slow but steady. maybe 500 yards a day. the closer they get to the city itself, they're facing stiff resistance in the way of mortars, snipers, an extensive network of roadside bombs and car bombs. now, iraqi commanders told us that air strikes by the u.s. and

its allies are the single biggest game-changer, responsible for 75% of the success on the battlefield. and while we were there, we heard jets roaring overhead, followed by two or three huge explosions. we were told by iraqi commanders they hit their targets. a number of isis fighters, holed up in a building. but as iraqi forces close in on fallujah, it's gonna be more difficult to rely on air strikes for that close air support, out of concern for tens of thousands of civilians who remain trapped inside the city. elaine, commanders told us it's impossible to know how long it's going to take for their forces to enter fallujah itself. but when they do, that's when the real battle begins. urban combat, street by street fighting against an enemy who's dug in and has held on to that city for more than two years. >> charlie d'agata, thank you. the u.s. aircraft carrier "harry s. truman" has been launching air strikes against

isis from the mediterranean sea. seth doane went onboard for a rare look at the long distance fight against the terror group. >> reporter: u.s. navy fighter jets continued their assault today against isis, but from a new staging area. this aircraft carrier had been in the persian gulf. it was brought up through the suez canal and repositioned here in the eastern mediterranean sea. this is the first time that the u.s. navy has launched air strikes from this part of the world since the iraq war in 2003. rear admiral bret bachelder told us the move shows flexibility in the fight against isis. >> we continue to strike at the financial capabilities, the revenue-generating sources that they have there, their abilities to generate forces, and at their leadership. >> reporter: that can mean striking militants or banks? >> yes, it could.

>> reporter: so far, 1,800 combat missions, or airstrikes, have been flown from this carrier since it was deployed. dealing a blow to the terrorist group. >> they do not have the same real estate or freedom to maneuver that they did when we arrived in december. >> reporter: the u.s. says "harry s. truman" will be heading home soon but it's keeping up the fight for now, as this is such a crucial time in the battle against isis. from 6,000 miles away, the battle against the islamic state might seem to be taking a very long time. but for one decorated general, it's a slow process that is being fought successfully on many fronts. charlie rose spoke to retired general and former cia director david petraeus. >> i think we are starting to win, without question. i mean, we're certainly making gains. and now, in fact, it actually allows us and really requires us, to focus on the real center of gravity in iraq, which is why this all went wrong in the first place, which is iraqi politics.

>> it is possible -- possible -- that before this president leaves office, they could retake fallujah, mosul, and raqqah? >> i don't know if i'd bet on that. two out of three wouldn't be bad, and that's not inconceivable. i just wouldn't rule out raqqah, i guess, because you could see some kind of, perhaps, collapse at some point, when they're cut off from their turkish supply lines, where they're encircled a bit more. so never rule that out, but certainly would want to see -- fallujah's going to go down in this president's watch. can mosul be taken down as well and what kind of pressure can you bring on raqqah? but again, you just can't focus on this, you have to keep the pressure on the islamic state elements in libya that became quite worrisome and troublesome. you can't let the islamic state in afghanistan develop any critical mass. keep an eye on yemen and all the rest.

by and large, there's a pretty coherent effort that is now ongoing and it is starting to bear fruit. the cbs overnight news will be right back. why are you deleting these photos? because my teeth are yellow. why don,t you use a whitening toothpaste? i'm afraid it,s bad for my teeth. try crest 3d white. crest 3d white diamond strong toothpaste and rinse... ...gently whiten... ...and fortify weak spots. use together for 2 times stronger enamel. crest 3d white. moisture so i can get into it ao enhance mbit quicker. ral and when i know she's into it, i get into it and... feel the difference with k-y ultragel. beautiful day in baltimore where most people probably know that geico could save them money on car insurance, right? you see the thing is geico, well, could help them save on boat insurance too. hey! okay...i'm ready to come in now.

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highest mountain on every continent and he walked to the north and south poles and did all that in record time. lee cowan reports. >> i'm going up there. soon, soon. yeah. >> reporter: battling your way to the tallest place on earth is an accomplishment for anyone. >> i'm on the summit of mt. everest! no words can describe. >> reporter: but mt. everest was only a 29,000-foot pit stop for climber colin o'brady, whose trip here to the top of the world -- >> stepping off the plane. >> reporter: -- actually started at the bottom of it. almost five months ago. >> we made it, we made it, we made it! >> reporter: that's colin at the south pole. he trekked there some 69 frigid miles, all on foot. weeks later -- he was doing the

same thing at the north pole. climbing over ice ridges and dodging polar bear tracks along the way. >> the north pole! woo! >> reporter: it's a fair question to ask -- why? the answer, colin was in search of an adventure, called the explorer's grand flame. >> tired legs, tired body. >> reporter: it's a gruelling test of endurance, requiring not only reaching both poles, but also the summits of the tallest mountain on every continent. that's seven in all. >> the summit of mt. vincent, woo! >> reporter: fewer than 50 people have ever finished the challenge. only two have done it in under a year. but just nine days ago, high atop the mountain in alaska, colin o'brady made history. >> woo! >> reporter: he had finished all nine expeditions in just 139 days.

at the age of 31, he had broken the world record. has it sunk in yet? >> no, i don't think it's fair to say it's sunk in yet. i've barely gotten one night's sleep yet, so i think it will take some time. >> reporter: we met up with colin soon as he was back down the mountain, still in a daze over what he had done. you were pretty sure you could do this? you weren't sure you could break the record, but you were pretty sure you could accomplish all nine things? >> physically i thought i was very capable, but there were a lot of things that had to go our way. >> won't be too long, we'll be standing up there. >> reporter: sometimes mountains push back. with everest, it can be more like a shove. >> looking at all the memorials of people who have passed away on everest. >> reporter: the danger was readily evident to colin. six climbers died this year alone trying to make the summit. colin himself barely made it. high winds forced him to abandon his first attempt. but he managed to summon the energy for one last push to the

top. >> i'd be lying to say if i didn't have doubts throughout this project. there was many times when the weather or just the loneliness or the tiredness, the fatigue really just hit so hard that you wonder, can i go tomorrow? we've climbed more than 10,000 feet today. >> reporter: but every tomorrow had its own challenge and every mountain, its own clock. >> i've been going for about seven hours, 20 minutes. >> reporter: he raced up mt. kilimanjaro in africa, in less than 12 hours, arriving at the summit in the pitch dark. >> woo! congratulations. >> reporter: how long does it take a normal person to get up kilimanjaro? >> normally six or seven days. >> reporter: and you did it in? less than 12 hours? >> just under 12 hours from the beginning to the summit. >> reporter: that's insane. >> yeah, it was a big push. >> reporter: colin's adventure started way back on christmas day. >> happy day, a little bit of a

sad day. >> reporter: that's a fellow mountain climber driving him to the airport. and she's also colin's fiancee. where did he propose? >> on the top of the third tallest mountain in ecuador. >> reporter: of course he did. >> of course he did. he made me work for it. >> 4,800 meters, feeling pretty good. >> reporter: they dubbed their operation, beyond seven-two. seven summits, two poles. >> just crossed, my heart is pounding, but it's very awesome. >> reporter: colin always had a love of adventure, a thirst to experience everything, but while on a trip to thailand back in 2008, he made a mistake. he got in on a popular beach party trick, a game of jump rope, only the rope was dipped in kerosene and lit on fire. >> and it wrapped around my legs and had excess kerosene sprayed me to my neck. >> reporter: you burst on fire?

>> yeah. threw the rope off me and dove into the ocean to put out the flames. >> reporter: but it wasn't in time? >> 25% of my body was severely burned. mostly mid thigh down, both of my feet. >> reporter: the pain he endured through his recovery, he says, taught him something about himself. pushing his body to his limits gave him a sense of accomplishment like nothing else. so much so colin became a professional triathlete. but even that wasn't enough. >> just got to a point where this is great, but i would like to do more. >> it's been taking a lot of effort. >> reporter: so he and jenna began touring elementary schools near their home in portland, oregon, telling kids about the fire and the power of setting goals, even seemingly impossible ones, like completing the explorer's grand slam. they ate it up. >> we don't really know him, but we really want him to make it. >> if he makes it, he will say that anything is possible. yeah, possible.

>> i'm pretty tired. >> reporter: just how hard was written on colin's face when he finally finished. a combination of relief, exhaustion, and exhilaration. >> hey. >> reporter: the first thing he did was call jenna. >> we made it. >> reporter: she boarded a plane and flew straight to the glacier to meet him. to celebrate not one record, but two. >> we did it. >> i can't believe it. >> reporter: turns out, colin has not only broken the grand slam record, but in the process, he's also broken the seven-summit speed record. >> i hope that people take away from this the power of the human spirit. when you believe in yourself and you dream big, that anything is possible. >> why do we climb these mountains? >> reporter: the answer for some is, because they are there. >> so this is one of the reasons for sure. to see what's on the other side. >> reporter: for colin o'brady,

the answer is simply, because he believed he could. ♪ 'cause you'll be in my heart ♪ ♪ yes, you'll be in my heart ♪ ♪ from this day on ♪ now and forevermore... narrator: if animals are our best friends, shouldn't we be theirs? visit your local shelter, adopt a pet. ♪ you'll be in my heart ♪ ♪ no matter what...

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famed fight doctor ferdie pacheco once said cassius clay was born in louisville. muhammad ali was born in miami, the night he took the title from sonny liston. james brown looks back. >> as the world mourns the passing of muhammad ali, i can't help but think of all the athletes i've spoken with over the years who simply revere the man known as the greatest. before ali became an international icon, he was first and foremost, a sportsman. a heavyweight boxer who possessed incomparable speed, agility and with a mouth to match. >> i'm a bad man! >> reporter: he bragged about what he could do in the ring, but it was his willingness to speak truth to power that made him so influential to generations of athletes who followed him. by coincidence, ali died on the eve of the 49th anniversary of what has become known as the ali summit.

on june 4th, 1967, ali was a 25-year-old champion who had shocked the world by beating the likes of sonny liston and floyd patterson. but he also shocked america when he opted out of the draft for the vietnam war, because of his religious convictions as a muslim. ali immediately was reviled for his stance. in an effort to find out whether the young boxer was sincere, another great, jim brown, organized a meeting in cleveland, with ali and several prominent athletes. among them, bill russell, and a 20-year-old lew alcindor, who later would change his name to kareem abdul-jabbar. many of these athletes had served in the military and thought they could change ali's mind. but after several hours of debate, the young champion actually changed their minds. nfl hall of famer bobby mitchell was there and said of ali, quote, he convinced us that he knew exactly what he was doing, that it was important to him.

so the group held a press conference and came out in support of muhammad ali, and the picture is truly worth a thousand words. sitting next to some of the greatest athletes of all time is the man who would eventually be known as the greatest of them all. he would still be stripped of his title later that year and have to wait another three years to fight again, but that press conference began to turn the tide of public opinion for the man who would become a transformational figure in the world of sports. he convinced them back then and he convinced us all that to be great, means to be courageous. as he once said, quote, impossible is just a big word thrown around by small men who find it easier to live in the world they've been given than to explore the power they have to change it. >> that's the overnight news for this monday. for some of you, the news continues. for others, check back with us a little later for the morning news and cbs this morning. from the broadcast center in new

news and cbs this morning. from the broadcast center in new york city, i'm elaine quijano. captioning funded by cbs it's monday, june 6th, 2016. this is the "cbs morning news." hillary clinton overwhelms bernie sanders in two weekend primaries and is now on the cusp of winning the democratic presidential nomination. tropical storm colin bears down on florida's gulf coast. with heavy rain and the possibility of dangerous flooding. and muhammad ali is remembered at an interfaith memorial service in his hometown of louisville. good morning from the studio 57 newsroom here in new york. good to h