cover on this important night. quite a few iowa republicans say they could still change their minds before the caucuses tuesday night. we're going to talk about how this volatile race could turn, one last time, when the voting begins. let's talk about the santorum surge right now. the rest of our excellent panel is here. eric, you heard the interview with rick santorum. did he convince you he's the guy? >> he's a nice guy, but, no. 0ñ@