The basic premise is incontrovertible: the party forced Romney too far to the right:
In poll after poll, big majorities described the Republican nominee as favoring the wealthy over the middle class. 1 No surprise, therefore, that throughout the spring and summer of 2012, Obama held a multi-point lead. over Romney, despite the president’s sub-50 percent job-approval rating. Then, in the final month of the election, Romney’s team at last released “Moderate Mitt from Massachusetts” from his six-year seclusion. Abruptly the election tightened (location 34).