Romney, who personally attended a Planned Parenthood fundraiser in 1994, attacked Santorum for voting for Title X, which provides federal funding for contraceptives.

Romney, who got a federal subsidy for the Salt Lake City Olympics, attacked Santorum for supporting earmarks in the Senate.

And Romney, who once supported comprehensive immigration reform, including "beginning the process of applying for citizenship and establishing legal status,” has moved so far to the fringe that in the Mesa debate he called the draconian Arizona immigration law a "model" for the United States. Ay caramba.