nbc's john yang is there for us. john, good morning. >> reporter: the path for the sech for jimmy hoffa has been a long and twisted one, and today it does come here to this driveway in suburban detroit. they are going to take soil samples today to see if the answer to the mystery lies here. more than 37 years after jimmy hoffa vanished without a trace the trail has led to this suburban home. an informant claims he saw a body buried her around the time hoffa went missing. he told dan muldea, the author of "the off anwar sadats." >> very convinced hoffa is buried at this particular location. >> we believe the witness saw something and it was credible enough that we have to continue the investigation at this point. >> reporter: using

john yang, nbc news, chicago. >>> and when we come back, remembering an american classic. the life and music of andy williams ♪ ♪ ♪ >> i'm playing the field. >>> andy williams died last night, and the late '60s and '70s were often remembered for the late counterculture music, but andy williams was the opposite of that, loved by millions, and always close to his midwestern roots. here is kevin tibble. >> reporter: he may not have penned it, but "moon river" belonged to andy williams. >> i'm going your way ♪ ♪ ♪ >> reporter: the classic handsome, velvet-voiced crooner, clean-cut, even in the '60s, an iowa boy, he performed with his brothers even before going solo. for almost ten years he hosted the andy williams show on nbc. helping to put another group of singing brothers, the osmonds, on the map. he also introduced america to the three-year-old marie. >> will you save me a dance? >> okay. >> reporter: he said the clarity and warmth and grace of music, shaped my beginning. the andy williams christmas special became a family tradition. although some could blame him for the a

and nbc's john yang is there. >> reporter: could these six-foot cylinders with dark, muddy soil, two inches in diameter, hold the mystery of jimmy hoffa? this man said he saw the body buried years ago, and where ground-penetrating radar showed something, two feet deep. >> we're just doing our job, we had credible information and had to follow through with it. >> reporter: police said when he disappeared in 1975, there was a different shed, the floor was dirt, not yet covered with concrete. it is about 20 miles from where hoffa was last seen, apparently lured by two mob figures, since then, he has been famous, and his organized crime ties and federal court convictions in the '60s. jack nicholson portrayed him in the 1992 movie, hoffa. >> he was a real enemy of american society and a real threat to this country. >> reporter: legends also surround his death, some saying his final resting place has been a giant stadium in new jersey, or detroit's center. >> the stories are huge. >> reporter: and so is the search, in 2003, investigators dug under a swimming pool in northern michigan, in 2

nbc's john yang has more on the volunteers making a difference. >> reporter: adam nally doesn't just drive his daughter to this elementary school, sometimes he goes in with her and spends the whole day. >> are you guys ready for the weekend? we'll be out there cheering. >> reporter: greeting students as they arrive. >> what are you thinking right now? working with them in class, even having lunch with them. >> it is fun to show them i'm here to care about them. >> reporter: now he is with a program called watch dogs, dads with great centers. it is now across 41 states in the district of columbia. the idea? get more male role models in classes on regular school days, not just special events. >> the kids get so excited. it is like we have a special guest, a rock star in our building. >> sit down here with them. >> reporter: teachers report fewer discipline problems and more academic work when there are dads there. >> they put their shoulders back, push out their chests and read. >> reporter: nally notices it too. >> it gives them a chance to say hey, i know what i'm doing. >> reporter:

>> john yang in our chicago bureau. john, thanks. >>> tonight, things are much quieter though the middle east remains a tinder box after several days of anti-american demonstrations, at times turning violent. at this hour the state department and the military are taking efforts to step up security at u.s. embassies across the region. jim maceda joins us from cairo. jim, good evening. >> reporter: hello, lester. the state department is temporarily closing embassies in sudan and yemen, warning u.s. citizens of the travel in those countries, as well as in tunisia where americans are encouraged to leave as worries about more violent protests escalate. a four-day standoff outside the u.s. embassy in cairo ended this morning when riot police charged the protesters and cleared out tahrir square, arresting some 200 along the way. the city began to return to normal as did the country with no reported protests or violence. friday's day of rage spread across more than 20 countries. in tunisia today local citizens and security pers

john yang, nbc news, chicago. >>> and when we come back, remembering an american classic.y williams ♪ ♪ ♪ >> i'm playing the field. talk. tell me your plan...: i wt and what it means for me. woman 2: i'm tired of the negative ads and political spin. that won't help me decide. man 2: i earned my medicare and social security. and i deserve some answers. anncr: where do the candidates stand on issues that... affect seniors today and in the future? find out with the aarp voters' guide at earnedasay.org [ male announcer ] the rhythm of life. [ whistle blowing ] where do you hear that beat? campbell's healthy request soup lets you hear it... in your heart. [ basketball bouncing ] heart healthy. great taste. mmm... [ male announcer ] sounds good. it's amazing what soup can do. but i'm still stubbed up. [ male announcer ] truth is, nyquil doesn't unstuff your nose. what? [ male announcer ] alka-seltzer plus liquid gels speeds relief to your worst cold symptoms plus has a decongestant for your stuffy nose. thanks. that's the cold truth! who have used androgel 1%, there's big news.

nbc's john yang is in chicago with this story. g, savannah. this chicago restaurant, they serve up 500 pounds of ham, pork sausage and, yes, bacon. 500 pounds a week. so it's big news here. the pork suppliers are headed down, and prices are headed up. on the twitter verse they are calling it an aporkolypse and bacongeddon. at this chicago landmark breakfast means bacon and eggs. >> you're going to see a whole lot of angry people if pork really does get taken off the menu for breakfast. >> reporter: from pork producers around the world, a warning. next year it's lakely to be harder and more expense i ever to bring home the bacon and fry it up in a pan. >> we set a record in september 2011 for retail prices, and i think we're going to shatter that next year. >> reporter: that's because this summer's drought has driven up the price of corn and soybeans used to feed hogs, leading farmers to cut costs by cutting the number of pigs they raise. in 2007 u.s. farmers produced about 51 pounds of pork for every american. next year's forecast,

nbc's john yang is in chicago with this story. g, savannah. this chicago restaurant, they serve up 500 pounds of ham, pork sausage and, yes, bacon. 500 pounds a week. so it's big news here. the pork suppliers are headed down, and prices are headed up. on the twitter verse they are calling it an aporkolypse and bacongeddon. at this chicago landmark breakfast means bacon and eggs. >> you're going to see a whole lot of angry people if pork really does get taken off the menu for breakfast. >> reporter: from pork producers around the world, a warning. next year it's lakely to be harder and more expense i ever to bring home the bacon and fry it up in a pan. >> we set a record in september 2011 for retail prices, and i think we're going to shatter that next year. >> reporter: that's because this summer's drought has driven up the price of corn and soybeans used to feed hogs, leading farmers to cut costs by cutting the number of pigs they raise. in 2007 u.s. farmers produced about 51 pounds of pork for every american. next year's forecast,

nbc's john yang joins me now from chicago.ng, or are there signs progress is made? >> reporter: tamron, this was the first day we heard optimistic words from both sides as they went into the talks a little more than four hours ago. the union president said out of scale of 1 to 10, she rated the chances of an agreement today at a 9. both sides, the city side, the school board side said unless things go absolutely nutsy, they would have a deal. apparently there was a great deal of progress made yesterday in talks that ended around midnight. they say the big difference was that they made progress on the issue of teacher evaluations. that's been one of the big stumbling blocks. how much of the teacher evaluations would be based on standardized testing. they said that they really drilled down the details and the talks yesterday. they made a great deal of progress. they felt there was enough progress they could reach a deal today. however, karen lewis, the union president said if there was a deal today, it would still have to be rat

john yang live in michigan. >>> here's a look at stories topping the news now. unsealed in the case against james holmes. he threatened a university of colorado professor before the shooting but no word what the threats were. holmes was banned from campus because he dropped out. he faces 152 charges in the shooting that killed 12 in july. >>> new details on a former employee's deadly outburst in minneapolis yesterday. he opened fire inside his old office killing four and wounding four others. he later died after turning the gun on himself. one of the victims was an immigrant that founded the sign making business in 1984. another victim was a ups driver of 29 years. the gunman had reportedly been fired earlier that day. >>> nearly 50 are recovering from a school bus accident in kentucky. look at this. a car slid into oncoming traffic crashing into that bus causing it to flip on its side. it was packed with students heading to middle school. officials say none of the injuries are ligfe-threatening. >>> the real nfl refs return to work as heroes just one day. >> a

nbc's john yang with the latest. >> reporter: investigators took two soil samples from that shed.a where an informant says 37 years ago around the time of jimmy hoffa's disappearance, he saw something being buried. police last week took ground-penetrating radar, looked at that radar and found indications of something about two feet beneath the ground. they've decided to go ahead, take these soil samples. they'll be analyzed by a forensic anthropologist at michigan state university. if they find evidence of human remains in those soil samples, then they'll start digging it up to see what's there. the police chief said from what he saw as they dug it out, they pulled out those soil samples, they were dark, murky earth. no immediate indications to the naked eye of something in there. but why they're going to be analyzed by a forensic anthropologist, to see if this is where the mystery of the disappearance of jimmy hoffa ends. maria. >> amazing. thanks so much. we'll keep following that. up next, find out why qatar's prime minister is investing the country's billions these days. he's

nbc's john yang is there for us. john, good morning. >> reporter: the path for the search for jimmy hoffa has been a long and twisted one, and today it does come here to this driveway in suburban detroit. they are going to take soil samples today to see if the answer to the mystery lies here. more than 37 years after jimmy hoffa vanished without a trace the trail has led to this suburban home. an informant claims he saw a body buried her around the time hoffa went missing. he told dan muldea, the author of "the off anwar sadats." >> very convinced hoffa is buried at this particular location. >> we believe the witness saw something and it was credible enough that we have to continue the investigation at this point. >> reporter: using ground-penetrating radar, authorities found signs of something about two feet under the driveway. today they will take a soil sample to look for evidence of human remains. hoffa was last seen outside a detroit-area restaurant in 1975, apparently lured by two mob figures. since then the sea

>> john yang, thanks so much. 7:20.ere is savannah. >> thanks. >>> harmony and peace are restored to the nfl over the replacement officials. the regular referees back on the field last night to the delight of players and fans. stephanie gosk is in b this morning. morning. >> reporter: good morning, savannah. well, standing ovations at the game are usually reserved for the home team, the baltimore ravens. fans are crazy about their team. last night, other pros they were happier to see. >> the appreciative fans. >> reporter: the refs are used to boos and abuse. they definitely aren't used to standing ovations. thursday night in baltimore, that's exactly what they got. >> we are excited to have the real refs back. >> reporter: the first nfl game of the season to be refereed by full time, experienced officials. >> i think the players know, i think the coaches know, and we can all get back to concentrating on football. >> reporter: the season began with the lockout imposed by the league and a team of less experienced replace

john, you're absolutely right. you name your technology company that's made it or hasn't made it thinking of david filo and jerry yang. they're caught up in all that silliness and the way they're portraying themselves as all gamesmanship. they lost credibility. they stumbled since. take a look at amazon where jeff bezos used to come on this network and giggle at himself. he realized he had to play a grown-up role here as a public company ceo. and jeff baezos is a excellent model. >> what about the image? how much does that matter as much as the message that zuckerberg delivers? what's more important? >> the image is really important. people hate to hear this. but the subsubstantial and the symbolic roles of leadership are intertwined. that's a hard word to say fast, too. now both of these pieces are woven together. he's got to make meaning for other people where this is going. when you take a look at the rest of technology, the rest of silicon valley is soaring. he can't point to other things. he can't blame this on el nino. kent blame this on greece. this is a company specific problem. he's got to address that. >> j

yang, found every of yao hoo. hewlett-packard, the people who started silicon valley. is a wonderful, s relationship. >> it gives you bragging rights. i want to know why it costs so much, john your hand vibrates when you write the check, why it costs so much money. >> there are two factors. >> and what are you going to do? >> that's a very good question. two factors, first, we are a service industry. where wages drive costs. what's happened, with he have highly educated people who are well paid and costs go up. the same way they do for medical services, legal services, dental services, things like that the second factor which many meshes are now seeing, the reduction of the state subsidies at the public universities have meant that tuition has got to make that up. that money has gone down, where does that money come from? from tuition. that's seen in massive increases in tuition. >> back to the question of stanford and the people and the endowments have you, are unique among university presidents that you sit on corporate boards? >> a number of other university presidents have sat on corporate boards. >> what is the benefit to stanford? >> i think the university has to do i