“I’m happy to stand by the things that I believe. I’m not going to change my positions by virtue of being in a presidential campaign,” Romney said. “What we did was right for the people of Massachusetts, the plan is still favored there by three to one, and it is fundamentally a conservative principle to insist that people take personal responsibility as opposed to turning to government for giving out free care.”

On Tuesday, Romney and rival Newt Gingrich jabbed at each other over the matter after the Wall Street Journal uncovered a memo from 2006 in which Gingrich said he “agreed entirely” with Romney’s healthcare bill.