In 2008 when my wife, Gena, and I were on the campaign trail backing former Arkansas Gov. Mike Huckabee for president, former Pennsylvania Sen. Rick Santorum was fighting to get former Massachusetts Gov. Mitt Romney elected. Just three years ago in his interview with radio host and conservative commentator Laura Ingraham, Santorum also emphatically told millions of listening Americans: “If you’re a conservative, if you’re a Republican, there is only one place to go, and that’s Mitt Romney. Yet Santorum now admits that Romney “bragged he’s even more liberal than Ted Kennedy on social issues.” And the question that keeps...