He should just say what it is. Mass, Cal, and Tenn were all charged with socialist healthcare models to see which would work. They all failed.
When you have the Wall Street Journal, Rush and National Review making fun of you at the same time while you dream of being the GOP nominee.....you're in trouble.
The moderates are not going to push him through his big mistake, he's got enough negatives without the self inflicted wound of trying to stick up for Romney care.