Hit Me with Your Best Shot

Gingrich tells Des Moines crowd he can "take the beating" that comes with frontrunner status, says his "range of experience," resume will propel him to the nomination.

Ex-Speaker: "I find it very formidable to think that I might win and that, with your help, we might go through eight very difficult years. I don’t know any other way for this country to get back on track."