Romney's Rivals Swap Attacks For Endorsements

intro: As the Republican Party begins to officially coalesce around presumptive nominee Mitt Romney, some of his harshest critics are swapping their anti-Romney attack lines for pro-Romney rally cries. From Michele Bachmann, who gave her official nod to Romney Thursday, to Newt Gingrich, who threw his support behind his one-time bitter rival upon ending his campaign on Wednesday, some of Romney's biggest opponents are adding their names to his growing list of endorsers. This shift from...Full Story