Tonight, political analyst and author of Our First Revolution: The Remarkable British Upheaval That Inspired America's Founding Fathers, Michael Barone. Jon begins with "Clusterf@#k to the White House" and a look at Tuesday's Republican debate. Jon highlights some of the debate's finer points from whether the candidates would invade Iraq given what they know now, would they allow openly gay members of the military, and general 'I believe in God' comments and fear mongering. Also, Senior Campaig...