True conservatives will hold their noses and vote for him. However, for most of those voters it will be one of the biggest secrets of their lives. That is not a way to win though. It is a way to lose.
He can say nothing between now and the election to persuade any of those 48% who told Rasmussen they are voting for the dumb broad to change their mind and work for Akin.
Even a week is an eternity in politics.
McCaskill is just as likely to say something dumb or suffer a revelation of misconduct between now and Nov.