by our election team and around the country and the world. stand by to learn more about edith and carolyn, who solved the case of the missing votes. i m wolf blitzer. you re in the situation room. so long, iowa, hello, new hampshire. the republican presidential candidates are zeroing in on the next battlefield and a big primary coming up on tuesday. the front-runner, mitt romney, is following up his squeaker win in iowa with a new endorsement from senator john mccain who beat him in the new hampshire primary four years ago. several of romney s opponents also are in new hampshire right now. but rick perry says he s heading south. he sent out a tweet today saying here we come, south carolina. and a photo from his morning run confirming he s staying in the race despite his poor showing in iowa. michele bachmann made a very different decision, ending her presidential bid today after a crushing defeat in the state where she was born. rick santorum lands in new hampshire later