Huckabee’s taken potshots at her from time to time, but between this fusillade from unnamed Mitt advisors and the furious counterattack on Romney at Conservatives 4 Palin, I’d say that the 2012 primary is now, at long last, officially on. In the immortal words of Greg Stillson, “The missiles are flying. Hallelujah.” Still, few express much regard for Palin’s ultimate chances. One adviser to Mitt Romney, the former Massachusetts governor, and, by traditional standards, the putative 2012 frontrunner, says of Palin, “She’s not a serious human being.” Another Romney intimate warns, “If she’s standing up there in a debate and...