Bruce Keough, who oversaw Romney's 2008 New Hampshire campaign, is ditching Romney because Keough thinks voters "want somebody who's been true to a certain set of political ideals for a while." Chait isn't buying this rationale:
The reality is that Romney is the same candidate as he was in 2008. It's the GOP that's changed. In 2008, a health care policy of subsidies, a regulated market and a mandate to prevent freeloading was considered a reasonable, even admirable, policy for a Republican to hold. Now it's the Death Of Freedom. Romney has gone from being a conservative in good standing to a left-wing deviant without changing his position at all.
Josh Green, on the other hand, thinks Romney can win by waiting:
In a field as weak as the current one, Romney can win without really exciting anybody. The key is for him to wait patiently until the noisier contenders burn themselves out like Roman candles and the conservative mood shifts from eager anticipation to concern to desperation. This process is already underway.
The Dish 