Patrick Caldwell thinks Romney's inability to sell himself will doom him in the general:
Each of his Republican opponents entered the race as loosely defined characters, granting Romney the chance to build the narrative against them through his massive fundraising advantage. That method won't do him much good in the general election. Barack Obama is no mystery to voters, and the massive funds that flood into a general election will leave the two sides roughly on par. Romney has displayed a knack for tearing down his opponents during the nomination, but to defeat Obama he'll need to actually craft the narrative of his own campaign and convince the public why Romney himself deserves their votes.
The Dish 