McCain on his cancer prognosis: It's 'very, very serious'

Sen. John McCain revealed that doctors gave him a "very poor prognosis" in his fight against brain cancer. McCain told CBS' 60 Minutes. Despite the serious prognosis, McCain's keeps a positive attitude. “So I just said, ‘I understand. Now we’re going to do what we can, get the best doctors we can find and do the best we can. And at the same time, celebrate with gratitude a life well-lived.” McCain also said that he intends to work as long as possible.