In Las Vegas debate, Romney the center of attention and attacks as ’12ers assault his record on health care, bailouts, illegal immigration and flip-flops.

Cain also takes shots from Bachmann, Santorum, Perry, Paul and Bay Stater on 9-9-9 plan in the debate’s opening round.

Romney takes turn in barrel on Massachusetts health care plan, with shots from Santorum and Gingrich — and/but Romney jujitsus Newt by getting him to admit past support for individual mandate.

Romney and Perry go toe-to-toe on illegal immigration. As Texas topper repeatedly cuts off Bay Stater, Romney chides rival: “It’s been a tough couple of debates for Rick and I understand that. So you’re going to get testy.”