Offered impromptu in response to something shouted by someone in the audience, it’s the perfect ending to a week filled with politically expedient maneuvers, from public financing to FISA to the Fairness Doctrine to gun rights to capital punishment for child rapists. All the screeching from his supporters about her hawkishness, her supposed racism, her dynastic politics, her coziness with Beltway interests — all under the bridge. Let the word go forth: She rocks. And the feeling is mutual.