First Mitt Romney's campaign trotted out one after another of former House Speaker Newt Gingrich's congressional colleagues to say bad things about the former GOP presidential front-runner.

Now it's apparently current front -runner Rick Santorum's turn. No, there's no former colleagues dishing dirt on the former Pennsylvania congressman and U.S. senator. But there's only one colleague who has taken the step of endorsing him: former U.S. Sen. Mike DeWine, the state attorney general who announced his switch from Romney a week ago today.

Bloomberg News Service concluded today that 27 former and current Republican senators are now backing Romney, the former Massachusetts governor, for the GOP nomination.

"I would say that it is telling that people who knew him best as an elected official don't think he's the right person to lead our country,'' Sen. Rob Portman, R-Ohio, a Romney backer, told The Dispatch.