Gingrich in this infant category, and puts people like christie and pawlenty and others in the adult category. >> howard fineman from the huffington post and msnbc, thanks for joining us. >> thanks, lawrence. george will made a list of the five republicans that are plausible republican candidates. coming up, i will rewrite that list and explain why there is only one republican that has a shot at winning. and it is official, earlier this afternoon, warner brothers fired charlie sheen from "two and a half men." jeff rossen joins us with how the troubled actor plans to respond to his terminat...