president obama's chief of staff, william daley, said yesterday the option of utilizes the emergency stockpile is on the table. the reserve contains $737 million barrels of oil. >>> on wall street, stocks closed lower this morning as the gas prices kept rising, amid fear the fuel prices will hurt the economy. the dow closed at 12,090. the nasdaq closed at 2,746. >>> researchers today are hailing what may be breakthrough in alzheimer's disease. new at 6:00, john fouler tells us -- fowler tell us there's new hope for stopping that disease. >> reporter: self-killing plaque clogs the patients of -- the brains of patients, alzheimer's. >> i have to -- i still read books and sometimes it's gone. i read the paper, sometimes it's gone. >> reporter: we've learned what scientists have made what may be a breakthrough. researchers say this may lead to prevention of this memory- robbing disease. description institutes scientists -- scripps institutes say the material that causes flag are lessened by the particular -- cause the plaque are lessened by this -- >> there's still many factors that we s

yesterday, we heard a little bit of william daley on "meet the press."also talked about what is happening in libya. this comes to us from "the washington times." "many of those calling for a no- fly zone have no idea what they are talking about when it comes to the burdens of such an undertaking. days after mr. obama said he was considering a full range of both military and nonmilitary options to thwart colonel gaddafi violent crackdown, william daley was back." lots of people throw around the phrases of a no-fly zone. "when people comment on military action, most of them have no idea of what that means." "among those calling for a no- fly zone are the 2004 democratic presidential nominee, senator john kerry." host: in florida, david joins us on the line for republicans. hi, david. caller: i'm going to comment real quick on the oil reserve problem we have. honestly, it's nothing more than big business freemasonry. i know it sounds propaganda -- it is big business. if we do not go to the pump, they do not get their money. yes, we are too dependent on fore

i'll be joined by william daley. >>> then the head of the tea party caucus in the house, republican micheleing on "meet the press." >>> that will do it for us on this sunday morning. richard lui, mike bettes, thank you for being here. >>> coming up tuesday on "today" do you wonder what matt does when meredith does an interview or what goes on in the green room? >> while they're on the air kathie lee and hoda will host a special show on our website showing you what happens behind the scenes here on "today." tune in and logon to today.com starting tuesday morning at 7:30 a.m. >> could be fun. could be eye opening. >> could be. it will be. >>> i'll see you back here tonight for nbc "nightly news." until then, have a great day, everyone. so long.

i'll ask my exclusive guests this morning, white house chief of staff william daley. >>> and is the tea party creating division amongst republicans or laying the foundation for successful challenge for the president in 2012? we have the head of the tea party caucus in the house, republican from minnesota, michele bachmann. finally, politically analysis on the crisis in libya, the spending fight in washington and new moves of potential gop contenders for 2012. of with us, eugene robinson and columnist for the "new york times" and author of the new book, "the social animal," david times" and author of the new book, "the social animal," david brooks. captions paid for by nbc-universal television >>> from nbc news in washington, "meet the press," with david gregory. >>> morning morning, a positive sign for the economy this week, as unemployment fell to 8.9%, the third consecutive month it's decli decli declined, but gas prices on the rise across its country. here with us live for an exclusive interview, the white house chief of staff, bill daley. president obama chose him for the top job in

president obama's chief of staff, william daley, saturdayed about using -- talked about using reserves. drivers we talked to had mixed reviews. i'm spending so much money on gas. >> anything that's gonna help the situation that will put us back in the economy situation where it's another bad economy. let's do what we need to do to take care of that. >>> now, back out here live, i just czeched in with the manager of this -- checked in with the manager of this gas station. he said it's possible that the gas prices here could become higher today. he says he won't know for another hour. that's when he said he will get the call from the corporate office to check the prices on the board. but at last check, the oil was trading at 106 -- at $106 a barrel. back to you. >> thank you. >>> there's a policy change for san francisco food truck vendors in effect today. ktvu's kraig debro is live with new information on the policy and why it's prompted such an unusual response. good morning, kraig. >> reporter: good morning. you can see on 10th street the -- it sort of looks like an aban dodd -- aband