Corn on Countdown: Liz Cheney Crosses the Line with "Al Qaeda Seven"

David Corn joined guest host Lawrence O'Donnell on MSNBC's Countdown with Keith Olbermann to discuss Liz Cheney's inflammatory assertions that Obama's Justice Department is aligned with Al-Qaeda.

David Corn is Mother Jones' Washington bureau chief. For more of his stories, click here. He's also on Twitter.