Bachmann off, Perry on Republican rollercoaster

DES MOINES, Iowa/MANCHESTER, New Hampshire (Reuters) Michele Bachmann was out, Rick Perry was back and Rick Santorum was up in the most volatile Republican presidential nominating contest in decades on Wednesday, as conservative Republicans searched for an alternative to frontrunner Mitt Romney.
Bachmann, a U.S. congresswoman from Minnesota, stepped down after a dismal sixth place [...]