for one of the most celebrated athletes, lance armstrong, sponsors dumping him as he steps down from his own charity. >>> and daily dose, the fresh evidence tonight that multivitamins, the kind that millions of us take every day could actually cut the risk of cancer. nightly news begins now. >>> good evening, those who were hoping a different president obama would show up at last night's second presidential debate, they got their wish. in terms of energy, the dynamic between the two men, the tempo of the conversation, the body language, genuine flashes of anger, last night was very different, some said like a street fight between obama and romney. and while a lot of facts were thrown on the stage, a lot was said, there were enduring images and lines, like the romney quote, binders full of women, which took on its own life today. and here are numbers to consider as we get under way tonight. we're under 500 hours to go before this election, and so far, the campaign members have spent just under a billion to get elected. think about what all that money could buy. back here, with the race, c
