The last GOP debate of 2015 takes place Tuesday evening. The prime time broadcast begins at 8 P.M. Central Time on KWON 1400 AM / 93.3 FM. The debate takes place at the Venetian in Las Vegas and will also air on CNN. Wolf Blitzer is the moderator. CNN announced the candidates in the prime time debate Sunday. Businessman Donald Trump is at center stage flanked by retired neurosurgeon Ben Carson on his right and Texas Sen. Ted Cruz on his left. The six remaining participants in the prime-time contest will be Florida Sen. Marco Rubio, former Florida Gov. Jeb Bush, businesswoman Carly Fiorina, New Jersey Gov. Chris Christie, Ohio Gov. John Kasich, and Kentucky Sen. Rand Paul.

Four candidates -- former Arkansas Gov. Mike Huckabee, former Pennsylvania Sen. Rick Santorum, South Carolina Sen. Lindsey Graham and former New York Gov. George Pataki -- will appear in the first debate Tuesday evening, scheduled to begin at 5 P.M. Central Time.