nbc's bruce hall shares the record-breaking legacy ali leaves behind. >> i'm so mean i make medicinesick. >> reporter: muhammad ali had a flare for words that was only surpassed by his amazing performances in the boxing ring. born cassius clay in 1942 in louisville, kentucky, kept an outstanding amateur career winning a gold medal in the 1960 olympics. turning pro, his cocky and controversial style turned him into a national figure, but his dramatic defeat of heavyweight champ sonny liston in 1964 was a surprise. >> one of the great upsets in the heavyweight history. >> reporter: he shocked the work by joining the nation of islam and changes his name to muhammad ali. the move was controversial and released a newfound religion avoiding the vietnam war. >> my intention is to box to win a clean fight but in war the intention is to kill, kill, kim, kill and continue killing innocent people. >> reporter: stripped of his title and did not fight against until after the supme overturned his case. ali's comeback included a series of worldwide events with championÍz joe frazier and geo forema

bruce hall, nbc news. >> once the most dynamic figure in sports. smart devices are up. cloud is up. analytics is up. seems like everything is up except your budget. introducing comcast business enterprise solutions. with a different kind of network that delivers the bandwidth you need without the high cost. because you can't build the business of tomorrow on the network of yesterday. >>> welcome to "street signs." i'm julia chutney. >> i'm louisa bojesen. >> attention is now turning to fed chairman janet yellen as she rules out a rate hike in june. >>> americans would never subjugate themselves to the eu. boris yeltsen takes on jamie dimon. >> they are the very people who urge this country to imbed itself in the euro, which has turned out to be an absolute catastrophe. >> china checking into europe's leisure sector. apple looks to hna to full jin jiang's plan in the hotel group. >>> and shares getting a shot in the arm after a drug at johnson & johnson appears to be making a breakthrough in fighting aggressive forms of cancer. >>> so are european markets closing on a softer note on

bruce hall, nbc news. >>> muhammad ali battled barkinson's disease more than three decades, symptoms worsening over time. signs may include tremors, rigid muscles slow movements and changes in writing and speech. the disease on its own is not fatal, but complications from advanced parkinson's can lead to death. 1 million people in the u.s. suffer from the disease, and there is no cure. >>> 6:04 your time on this saturday morning. it's finally here. today the first phase of metro's city track program gets underway. we've told you several weeks, that's that major maintenance overhaul where crews will use the extra inspect work on the track. i want to show you a look what some of you riders can expect. 13 straight days of single tracking on the orange and silver lines. that's between boylston and east falls church station and notice reduced service on the orange and silver lines and there will be a severe impact west of po s boylston. with safe track underway, the end of late-night metro service. many of you have to make extra plans, extra time, really, and work around this before headi

our bruce gordon is live at city hall tonight with what we can expect. bruce?> reporter: iain, given the chaos surrounding the republican presidential primary campaign, you might expect the rnc in cleveland to be the more disruptive of the party pep rallies but there's anger aimed at the democratic nominee. as you said protesters in philly today vow to make things both uncomfortable for both hillary clinton and philadelphians near the convention site. when protesters block the exit ramp to the vine street expressway this midday, philadelphia police had to use saws to cut apart the devices linking demonstrators to one another. law enforcement viewed the hour long disruption as a tune up for they're likely to see come late july. >> these protesters are not amateurs at this. you got your work cut out for you come the dnc. >> we sure do. as you can see we're prepared. >> for this kind of rhetoric. >> we're going to shut you hell down. that's my promise to you. >> reporter: this group of protesteprotesters vowed to take streets and disrupt what some might have expec

our bruce gordon will be covering the convention from cleveland and in philly and he's live at city hall tonight with what kind of disruptions we might expect. bruce? >> reporter: well, not really clear, iain at this point it it depends whether you take at face value some of the harsh threats coming from protest groups bitterly angry at the democrats are their nominee hillary clinton. philadelphia police needed power saws to break up the devices linking anti deportation protester who's block as exit ramp to the vine street expressway midday tuesday. in the end traffic was disrupted for more than an hour. four people were cited but no one was injured. >> we're here to support the rights of protesters, not to take them away. again, it was quite obvious today. >> reporter: but these testers vow larger and more aggressive demonstrations when the democratic national convention hits town. >> this entire charade needs to be shut down. there's no future of the democratic party or the republican party. >> reporter: it would be easy to assume democrats partying in an overwhelmingly democratic city

they say they've reached out to city hall repeatedly with no repairs and certainly no answers so they reached out to our bruce gordon to get results. he's just back from mayfair and joins us in the newsroom. bruce, what can you tell us. >> reporter: street caves in are familiar in lots of philadelphia neighborhoods. in many cases they begin as broken water pipes below ground. leak erodes the soil, and the asphalt above caves in on the resulting cavity. whatever the cause, the street needs to be fixed before somebody gets hurt. >> all of the neighbors on guard about this hole that won't get fixed. >> reporter: folks who live and work along the 2900 block of robins street want me to know it is very slowly inch by inch disappearing. neighbors say that sinking feeling began last october. >> my husband parked there. he ran in the house. no more than a minute or two. came back out and he's in a hole. his back tire is in a hole. >> reporter: calls to the philadelphia streets department brought a crew out in november they say. but a parked car made it impossible to get at the growing hole. >> they said we'll be out i

when we come back, bruce springsteen's jeans and a whole bunch of guitars. we take a tour of the rock 'n roll hallnd a new exhibit about using and politics . back right after this. ♪ back.welcome we are here in cleveland. as we said before, the rock 'n roll hall of fame and i am here with the president and eeo of this amazing library -- president and ceo of this amazing library. this is a great exhibition you have on in collaboration with the republican convention. : it's "louder than words," and it tells the story of how rock 'n roll has sometimes reflected what is going on in the culture and sometimes shaped the culture. we cover civil rights, women's rights, women's rights, the environment -- it is all in rock 'n roll. there is something special about the records and the truth -- there is something about three chords and the truth. here,when i look around is not only the history of rock 'n roll, but also incredible artifacts. tell me about some of the favorite things you have displayed here, if someone comes here, they will see what? is not just a generic guitar -- we have the guitar jimi hendr

bruce? >> that's good advice there. and by the way, on thursday evening, we've got mission metro, it's a town hall meeting, thursday at 7:00. adam longo will be there. riders, key leaders. it's going to be for us. part of our effort to make metro safe and reliable. again, that's thursday night, at 7:00. >>> on the presidential campaign trail right now. both hillary clinton and donald trump were reacting to today's house republican report on ben ghazi. questions about the report at the campaign stop in denver say... >> i'll leave it to others to characterize this report. but i think it's pretty clear, it's time to move on. >> donald trump's attorney tweeted a picture that says, clinton, quote, murdered an ambassador. and the republican national committee issued a statement saying, quote, the report finding makes it clear we cannot afford to let hillary clinton be our next manager in chief. >>> help is arriving for the people whose lives were just turned upside down by flooding last week. hitting areas like the town of businesses are gone. and at least 80 percent of the homes are flooding. >> reporter: but the kindness of

they say they've reached out to city hall repeatedly with no repairs and certainly no answe answers. >> now they reach out to our brucen to get results. >> all of the neighbors are on guard about this hole that won't get fixed. >> reporter: folks who live and work along the 2900 block of robins street want me to know it is very slowly inch by inch disappearing. neighbors say that sinking feeling began last october. >> my husband parked there. he ran in the house, no more than a minute or two, came back out and he's in a hole. his back tires is a hole. >> calls to the philadelphia street department brought a crew out in november they say but a park car made it impossible to get at the growing hole. >> they said we'll be out in couple of days. it won't be tomorrow but it will be a couple of days. i haven't seen them since. >> reporter: doreen groves has seen them. she's the crossing guard for the k through eight grade school across the street. >> i see the streets department trucks come by. they step out of the truck, they look in the hole, they write something down and then they get back in the truck and they leave and

hall. the biggest names of the day, period, have headlined here. teddy roosevelt. winston churchill. lenny bruce booker t. washington. >> what's extraordinary is right behind him is mark twain. this was a benefit to help raise funds for tucson gigi -- tuskegee institute. >> notice you see black and white men sitting almost alternating there. >> absolutely. >> integrated audiences from the beginning? >> very the very beginning. >> francesconi spent lot of time trying to run down one bit of carnegie hall lorz i have to ask you, where does it come from, the joke? how do you get to carnegie hall? >> practice. >> we do practice, practice. and more. >> the closest i came was to violinist. he had a bad rehearsal he was going out, head down, violin case in hand. two tourists saw him they said, can you tell us how to get to carnegie hall? without looking up he said, practice. >> terrific joke born of bitterness. >> yes. >> when i asked emmanuel ax about the joke he struck a different note. >> level sessions only one which is clean? >> we'll bleep it. "the new yorker," how do i get to carnegie hall or sho

hall just across the street from me later on, 10:00 p.m. local time. hillary clinton meanwhile is back in new york. charles: joining me, tammy bruce, adam goodman, shelby holiday and jessica tarloff. the race is very fight. a couple polls have bernie sanders pulling ahead all within the margin of error but how do you think it's going to play out? >> there has been a high amount of mail-in votes which does favor her. and we haven't seen a lot of turnout from young people and that phase her. and her speech on foreign policy shows she's ready to take on donald trump. but it will be a thin margin. charles: the registrations have been huge in california which is good for the party, but is it good for hillary? >> hillary has never been one to have enthusiasm attached to her name, right? and the clintons have always done well in california, it's hollywood, it's all about. but california has changed since 2008. enthusiasm favors bernie sanders. with the announcement about her having the delegate count, remember revenge is the best success. the next winning thing sanders can get is to win california. that might push his supporters and youn

alex is the 16-year-old junior at stuart hall i'm not going to read you anything but tell you on a story alex want to introduce our parents. >> this is my dad bruce and mom. >> on july 24th, 2015, as thirty minutes past mingled a young partner the young woman had a purse noticed the man she was suburb about sitting close to this couple and keep on and on the woman they felt uneasy as the conversation with the boyfriend continued she noticed the man was getting closer and closer to the point she felt intimidate about this man and told her boyfriend time to leave the park the man jumped up and bolted and grabbed the purse and the suspect took off through the park over to union street and preceded on westbound on union the boyfriend chased after the suspect he feel down at some point and couldn't keep up the suspect makes it to mason and terminals left on uphill the police know suspects run downhill hfs the case that with suspect that got to mason just in time to run both alex he and his classmate who witnessed the robbery that decided to forego personal safety for the good of the community and tackle the suspect took him to the ground and held on a