Play of the Day: Chris Christie's Guide to Navigating Scandals
Chris Christie is sticking to his traffic guns: he still says he knew nothing about the plot, even after a Port Authority official alleged that the New Jersey governor was well aware of 'Bridgegate.'
Plus: the President is accused of plagiarizing former President Bush in his State of the Union address. David Letterman investigates.
Meanwhile: This year's Super Bowl is still a travesty.