Republican presidential candidate businessman Herman Cain, left, and former Massachusetts Gov. Mitt Romney, center, watch as Texas Gov. Rick Perry speaks during a Republican presidential debate in Las Vegas.
(Photo by Chris Carlson / AP)
Site edited by: Paul Wertheim, Sam Dieter, Harsha Malik, Cassidy Pham, Kathie Raikes, Joanne Pelton, Tanya Flowers, Charlene Morisseau, Sarah Alender, Anuja Seith and Sara Stewart.