John King CNN interview: 5:19 minute video: Could Rick Perry shake up GOP W.H. race?GUESTS: Erick Erickson [Red State] and Mimi Swartz [Texas Monthly] discuss the potential presidential candidacy of Texas Gov. Rick Perry.Swartz: “Formidable campaigner. People on the East Coast underestimate him at their peril. He’s relentless. Perry will fight to the death if he wants this.” King: If he gets in, who gets hurt? Erickson: Pawleny has most to lose. Bachman loses. Hurts Romney -- explains in detail. Palin and Giuliani won’t get in if Perry gets in. Swartz: quoting another pundit re: Bush/Perry -- Bush aristocratic –...