One of many things that are wrong in our national political dialogue is that there seems to be no penalty for being utterly and spectacularly wrong. If your doctor was usually incorrect in his diagnoses, you'd go find another doctor and at some point, he or she might do damage that would cost them their license to practice medicine. But if you're on TV or in a prominent newspaper and you're often incorrect, people still listen to you.
Jim Newell runs down some of the more notable examples of folks who fearlessly (and sometimes with great conviction) predicted that someone other than Mitt Romney would get the Republican nomination. It will do zero harm to their reputations or employment.