Western Republican Presidential Debate at the Venetian and Sands Expo and Convention Center in Las Vegas, Nevada featuring Minnesota Representative Michele Bachmann, businessman and talk radio host Herman Cain, former Speaker of the House Newt Gingrich, Texas Representative Ron Paul, Texas Governor Rick Perry, former Massachusetts Governor Mitt Romney, and former Pennsylvania Senator Rick Santorum. Moderated by Anderson Cooper. Tuesday, October 18, 2011.

Click through for parts 2 through 11.