>> jeff: tonight militants claim a mass execution. isis says it killed more than 1,700 soldiers. clarissa ward, holly williams and mike morell on the battle for iraq. the kidnapping of three teenagers in israel. benjamin netanyahu blames hamas. his troops respond with 80 arrests. >> radio legend casey kasem dies at 82. from los angeles, carter evans looks back. >> keep your feet on the ground and keep reaching for the stars. >> and tractor-trailers could be getting longer. companies say it will save you money. would it make the roads less safe? captioning sponsored by cbs this is the "cbs evening news.

>> jeff: good evening, everyone, i'm jeff glor with a western edition of the broadcast. the battle for iraq is being waged on the ground and on-line. today the militant group isis posted a series of graphic photos on twitter, claiming a massacre of more than 1,700 iraqi soldiers. those claims cannot be verified but the accusations alone represent another escalation in a battle that's moved with extraordinary speed. today the aircraft carrier u.s.s. george h.w. bush arrived in the persian gulf with potential military support. the u.s. state department just announced they're evacuating non-essential personnel from the embassy in baghdad. they're also sending in marines to protect those who remain. we have a series of reports tonight, beginning with clarissa ward. >> reporter: these photos appear to be the latest grisly evidence of the brutal tactics of isis. according to the extremist group, more than 1,700 iraqi soldiers were loaded on to flatbed trucks, then forced to lie face down in a shallow ditch before being executed.

the horrifying images and the death toll have not been verified but their release appear to be a direct provocation, at a time when sectarian tensions are boiling over. inac beefed up security. new check-points were set up throughout the city. but militants managed to set off a car bomb in the heart of the capitol, targeting a store where soldiers buy their uniforms, another bloody message to security forces here. >> iraq's military was doing some messaging of it's own, releasing video of helicopter gunships hitting what they described as isis targets. >> over the last three days, this iraqi commander said, the army's air wing has carried out effective missions on militant targets. >> but this is the government's real strategy, mobilizing shiite militias through a massive recruitment drive.

these men will get minimal training before being shipped to the front lines north of baghdad. tonight, people here in the capitol are bracing themselves for what comes next. isis has announced that the big battle for baghdad will begin with a wave of suicide bombings. and already tonight, jeff, we've heard two bombings in the last few hours. >> jeff: clarissa ward inside baghdad, thank you. >> the islamic state of iraq and syria are sunni muslims in a country where the majority rival shiites. isis now occupies territories stretching from northern syria to northern iraq. and took iraq's second largest city was taken last week. isis now threatens samarra believed to be the birth place of it's leader. >> holly williams has been covering the rise of isis for years now. she joins us this evening from the northern city of erbil. holly, what do we know about isis's leadership? >> well, jeff, the group's mysterious leader is a man known as abu bakr al-baghdadi.

he is so elusive that we only have a couple of grainy photographs of him. but al-baghdadi now commands several thousand men in iraq and syria where he is trying to set up a state based on islamic law. al-baghdadi is so feared that some people have dubbed him the new osama bin laden. and the u.s. government has placed a $10 million bounty on his head. >> jeff: and we have seen isis sweep through northern iraq pretty quickly here. how did they become this kind of force? >> well, isis has spent several years fighting in the syrian civil war. doing battle not just against the syrian regime, but also against other syrian opposition groups that don't like the hard- line form of islam that isis is trying to impose. the group's men are committed and battle-hardened. and here in northern iraq, their opponents have been iraqi government soldiers who despite billions of dollars in american equipment and training, simply

laid down their weapons and ran away when the islamic militants moved in. >> jeff: holly williams in erbil, thank you very much. >> for more on all of this we turn to cbs news national security contributor and former cia deputy director mike morell. he is in washington. mike, what options right now could the u.s. potentially use to influence this situation? >> jeff, there's a range of options, from the u.s. providing it's intelligence to the iraqis, to helping the iraqis collect their own intelligence, to providing them equipment and then to conducting air strikes. but all of that will take time. air strikes require precise intelligence. these insurgents will be hiding in cities. we don't want to kill civilians, so you need precise intelligence. that's going to take time. there is no silver bullet here in terms of support the u.s. can provide to trim the tide in the short term. >> iran is already getting involved, are in they in a

better position to influence this right now? >> jeff, i think they are. they've got relationships with shi'a militia groups that date back ten years. they provide weapons and training to those groups. they're also willing to put their own soldiers on the ground with iraqi fighters. and i think that can make a huge difference. i think that is a huge downside for the u.s. over the long-term, the iranians helping the iraqis. because it will give them influence inside of iraq and that is not in our interest. you saw what holly williams had to say about isis, from what you have seen, how strong are they and is it reasonable to think that they might try to take baghdad? >> so jeff, prior to the surge of isis in the last week, i would have put their numbers somewhere between 5,000 and 10,000, depending how many were in iraq and how many were in syria at any one time, but i think over the last week their number is growing. because as they take towns, young sunni men are joining them.

and as they overrun iraqi military units, some of those sunni fighters are joining them. so i think their number is growing. i am not particularly worried, jeff, about baghdad. i think iraqi forces are capable of defending baghdad. i don't think isis is interested in taking baghdad. i think what you will see in baghdad is a series of suicide attacks designed to undermine the confidence of the iraqi people in their own government. >> jeff: mike morell in washington, thank you. >> you're welcome. >> jeff: israeli troops tonight are searching the west bank for three kidnapped teenagers. one of the teens is a u.s. citizen. here's charlie d'agata. >> the israeli military released this video of special forces searching house-to-house last night in the hunt for the missing teenagers. troops arrested around 80 palestinian suspects in and around the west bank city of hebron. 19-year-old eyal yifrach, 16- year-olds gilad sha'ar and tali frankel vanished thursday

afternoon while hitchhiking home from high school near hebron. tali is a dual american-israeli citizen and his mother rachel said he should know israel is turning the world upside down in the search. >> god willing we'll all be able to celebrate their return safely. >> israeli prime minister benjamin netanyahu put the blame squarely on hamas militants and warned of serious consequences if the young men aren't released soon. senior hamas leaders were among those arrested in the search for the boys. and although the militant group praised the abduction, hamas has denied any involvement. palestinian militants have repeatedly threatened to kidnap israelis to use as bargaining tools to win the release of prisoners. today thousands of jewish worshippers gathered at

jerusalem's western wall in a special mass prayer. fears are growing about the fate of the teenagers. army officials had to admit they can't even confirm whether the young men are dead or alive. charlie d'agata, cbs news, london. >> jeff: today is the fourth day of the world cup in brazil, but it was the first game in rio. many of those chanting in the streets are not supporting a team. elaine quijano is there. >> reporter: there were protests across brazil today, in brazillia, anti-world cup demonstrators gathered at a bus stop and marched to the stadium and in rio they gathered in a park before blocking a park where the stadium where the final will be played. >> among the protestors today was a man who came here today to document what was happening in the hopes that the world will take notice. >> we don't understand why the government used so much money on this, and did not put the money on education, health and other problems, you know. >> reporter: long security lines

prevented thousands of angry soccer fans from entering the stadium. some fans missed the entire first half of the match between ecuador and switzerland. tomorrow's headache could be water. in the city where the u.s. will play it's debut game, officials have declared a flood alert. today, team usa prepared for their match against ghana. the u.s. coach was a little more optimistic than he was just a few days ago. >> high-scoring games this is what fans are waiting for. they want to see goals, you know. so hopefully, we can deliver them some goals tomorrow and have at least one goal more than ghana. >> ghana was the team that knocked the u.s. out of the last two world cups. elaine quijano, cbs news, rio de janeiro. >> a wildfire in concern county, california, threatening up to 500 homes, the fire near the sequoia national forest doubled in size overnight and has now burned nearly three square miles. that fire is reportedly just

10% contained. >> he has been in the news recently because of a bitter family dispute, but tonight he is being remembered for his decades of work before that. radio legend casey kasem died today at the age of 82. here's carter evans. >> i'm casey kasem, counting them down. >> in the days when radio disc jockeys ruled the music industry casey kasem was king. his iconic voice broadcast to every city in america. >> this is "american top 40" and our countdown begins. >> number 40. >> reporter: when "american top 40" launched on july 4th, 1970, the number one song was "mama told me not to come" by three dog night ♪ mama told me not to come >> initially only seven stations carried the show. it was a sentimental format for an age of cultural rebellion but kasem who said he wanted to be the ed sullivan of radio thought there was a place on the dial for a wholesome weekly countdown. he was right. kasem hosted it for more than two decades. wa's most famous segment was a personal connection he

made every sunday morning between listeners. >> a long distance dedication from a north american woman in arkansas to the englishman she left behind in south america. >> kasem had a strict code of ethics on the air. when george michael's "i want your sex" topped the charts in 1987, he played the song, but a.t. 40 told radio stations they could cut the song from the countdown if they found the lyrics too controversial. kasem was the father of four and he considered himself a family man on and off the air. >> what a great idea, scoob. >> for decades, kasem was also a children's tv fixture, as the voice of shaggy, the faithful friend of scooby-doo. >> hey, scoob, you want to hear my radio voice? >> yeah. >> it's time to stay in and rock out. >> kasem retired just five years ago, due to his declining health. in the year leading up to his death, he was bed-ridden with dementia. and it became the focus of an intense family feud. ultimately a judge ruled his daughter had the right to take

him off life-support. on her facebook page, kerri kasem said her father was surrounded by family and friends when he died. and even though we know he's in a better place and no longer suffering, we are heartbroken. >> here's that recent number one pop and soul hit, lionel ritchie with "hello." >> casey kasem always ended each show with his trademark inspirational signoff. >> till then keep your feet in the ground and keep reaching the stars. >> now he will be remembered as one of radio's brightest stars. carter evans, cbs news, los angeles. >> jeff: up next, the industry drive for longer trucks. and after that, an accident during a civil war reenactment. when the "cbs evening news" continues. . getting your vegetables every day? when i can. [ bop ] [ male announcer ] could've had a v8. two full servings of vegetables for only 50 delicious calories.

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would make sending packages cheaper. opponents worry the savings could come at a cost. here's mark albert. >> reporter: each year, trucks move nearly 70% of all goods in the u.s. that's nine billion tons of freight along america's highways. now companies want to haul even more by extending each trailer five feet from the 28-foot maximum to 33. a double trailer would be 10 feet longer carrying up to 20% more. former transportation secretary, jim burnley. >> the freight is going to double over 20 years, we're going to have to move it if we want our economy to grow. if we as consumers want to get our amazon shipments, want our grocery stores supplied. >> burnley has worked with the american trucking association, which believes larger trucks mean fewer on the road. >> fewer trucks, fewer potential for accidents. and it reduces congestion. >> reporter: but crashes involving twin trailers like the one in california in april that killed ten people, raise concerns. jackie gillan is president of the group, "advocates for

highway and auto safety." she says larger trucks take longer to stop, need more space to turn, and make it harder for other drivers to maneuver around. >> it's very simple. bigger trucks are bigger safety problems. >> reporter: are you worried that longer trucks could mean more deaths? >> absolutely. the american public is going to pay with their lives and their wallets if the trucking industry succeeds. >> reporter: even though the rate of deaths in big rig crashes has dropped dramatically since the '70s, it's increased for three years in a row. but the c.e.o. of shipping giant fedex ground harry maier told congress in february the bigger trailers could be in fewer crashes than the current 28-foot ones. >> these trailers are actually safer than the 28's because they tend to be more stable going down the road. >> reporter: 11 states currently allow 33-foot trailers. congress would have to change the law for them to roll nationwide. mark albert, cbs news, washington.

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children were standing nearby. at least one child's clothes caught fire. all three kids were taken to a nearby hospital. the world's most famous parking garage will be destroyed. the county board in arlington, virginia, voted this weekend to demolish the garage where "washington post" reporter bob woodward met secretly with his watergate source, "deep throat" mark fechlt, a historical marker will remain when the garage comes down. this coming tuesday marks the 42nd anniversary of the watergate burglary. a father and son out fishing for the catch of the day in british columbia this week, wound up with the catch of a lifetime. here is the video to prove it. a sturgeon nearly 12 feet long, weighing 880 pounds. it was hooked by paul jarvis but took help from his father ron to real it in. the fish was tagged and released. the fishing guide believes the sturgeon was 125 years old. still ahead, on father's day,

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>> jeff: finally tonight, it's

father's day, a day for cards and gifts, including one item of apparel that for a long time was overlooked. here's don dahler on a sock surge. >> vincent left a career on wall street to open the "sock hop" men's apparel store in downtown manhattan four years ago. right about the time colorful socks became cool. his store features hundreds of pairs of high-end hosiery. >> were you surprised you were at the beginning of the trend? >> we could see it kind of start creeping up and then, sure enough, we see guys that are really into fashion wearing socks and then it turns into guys that are more business types wearing socks and now it's everybody. >> socks have come a long way from the stone age when they were made from animal skins. this pair made of wool are the oldest known surviving socks dating back to egypt in the 4th century. by 1,000 a.d., they became a status symbol. production increased with the advent of the knitting machine

in 1589 and with nylon in 1938. men's socks are now its fastest growing sector of men's apparel. sales have soared 14% in just one year. high-end dress and athletic socks have combined to create a $2.8 billion industry. a cashmere pair at j. crew runs 80 bucks. barney's elder statesmen will set you back $350. and at harries of london a pair made from new zealand red deer will warm your toes for a mere $1,500. >> in a more casual era, the tie appears so there is this opening for another kind of expression of personality in an otherwise humdrum wardrobe. >> tory paterson writes the "gentlemen scholar" for slate.com. >> the tie, there is no tactile pleasure it is just a thing around your neck that doesn't touch your body it is sort of like-- what is more one of, like on a cold winter day than to have some like nice rich merena wool against your feet?

>> there seems to be no limit on the prints and patterns peeking out from cuffs. >> i see polka dots, i see stripes, i see pretty much any color you can imagine. >> i think after we have broken down the wall of just navy and black, you can go all sorts of designs, all sorts of colors, because it doesn't really have to match anything. >> even the first dad, president obama, received a pair from his predecessor last july. >> george h.w. bush jumped into the trend with both feet long before crazy socks were popular. don dahler, cbs news, new york. >> jeff: that is the "cbs evening news" tonight. later on cbs, "60 minutes." and first thing tomorrow, cbs this morning. i'm jeff glor, cbs news in new york. good night and happy father's day. ed by cbs captioning sponsored by cbs ned by media access g captioned by media access group at wgbh access.wgbh.org

urging him to cancel an upcg trip. "it's a dying breed, a dinor (cut to) it's time for a change." the coliseum is really showg its age lately. could it mean "lights out" -- for oad sports? and a touching tribute in s francisco today.. as the ci said goodbye to maya angelo kpix 5 news is next. ,,,,,,,,

week. tonight: bay area protestors are urging san francisco's archbishop not go. good evening, i'm brian hac. i'm ann notarangelo. kpix reporter brian webb tes us: that includes many prominent, local politician brian? representative nancy pelosid in a letter that she is disheartened that the archbp is speaking at this confere other people took the same message directly to catholi today. protesters with pamphlets. preaching to churches. instd t