As GOP Field Takes Shape, Gingrich on Defensive Over...

Aired: 5/17/2011 | 0:07:28 | Clip
The GOP's 2012 presidential nomination battle shifted once again Monday when former Massachusetts Gov. Mitt Romney, who hasn't officially entered the race, announced he'd raised $10 million just one day. Political Editor David Chalian speaks with Gwen Ifill about the GOP field and Newt Gingrich's controversial Medicare comments.