Grover Norquist, president of Americans for Tax Reform, hit the two leading Republican presidential candidates this morning - one for spending issues and the other on his much-discussed tax plan. Former Gov. Mitt Romney, R-Mass., "thinks there's some sort of virtue in not criticizing Bush's [big spending] mistakes," Norquist said. Romney could correct that mistake, but Norquist was even less sanguine about Cain's 9-9-9 plan. "Having three taxes, all of which can grow - it's like having three needles in your arm taking blood out, it's much more dangerous than having one," Norquist explained. Norquist praised Cain for trying to...