James Carville chose these colorful words to describe Rick Santorum after Mitt Romney swept three Republican primaries Tuesday: “He was like a chicken with his head chopped off. The chicken is dead. The only person that don’t know it is the chicken.” The Democratic strategist, not known to mince his words, said in a late-night interview with CNN that Santorum “can flop around all he wants to [but] they’re not going to nominate him.”