Jen Rubin makes the sensible case that, because all the potential GOP presidential candidates have weaknesses, a newcomer could have a real opening in the 2012 presidential election. Among others, Rubin suggests that Chris Christie, Paul Ryan, and Mike Pence might have a chance. It's the case now in politics that one can become famous very quickly. With cable TV, the Internet, and various other lightning fast means for exchanging information, it's not inconceivable that a candidate could start late, and still muster enough positive attention in a short amount of time to win a presidential primary. Consider the most...