This episode is currently unavailable
Due to current rights and restrictions, this video is unavailable, but feel free to check back later. In the meantime, why not watch something else?
July 17, 2007 - Mark Moffett
Season 3 E 90 • 07/17/2007
The Senate pulls an all-nighter to debate the Iraq War, Sen. David Vitter fights for his political life, and the Smithsonian's Mark Moffett discusses the social life of ants.