For the connoisseur of political hypocrisy, the shifting immigration stands of three GOP candidates are a veritable banquet. Rudy Giuliani, Mike Huckabee and Mitt Romney have started doing passable impressions of Lou Dobbs. But can you trust a candidate whose record contradicts his campaign rhetoric? (That was a rhetorical question.) The CNN/YouTube debate was a hoot. Romney and Rudy squared off on what’s shaping up to be the defining issue of Campaign 2008 -- with the dignity of a couple of rabid mongooses. Rudy – who wants to “secure the border” (is there anyone, including Hillary, who says they don’t?)...