Considering that he's spending most of his time on the trail tearing apart Mitt's conservative creds, Rick Santorum can't be pleased with the lastest video that Romney's campaign has posted. In it, the former Pennsylvania Senator calls the former Massachusetts Governor the only conservative in the 2008 Republican primary field.
I'm sure it is your favorite, Mitt.
It's hard to imagine the video will have much of an impact on Santorum's campaign, but that's a pretty explicit endorsement from the "conservative alternative" to Romney. As another former GOP hopeful once said: "Oops."