
Rep. Michele Bachmann

Rep. Michele Bachmann waves goodbye to a small group of supporters in the parking lot of Calistoga Bakery Cafe in Naples, Fla., on Monday after a brief campaign stop. (Naples (Fla.) Daily News via Associated Press)

Rep. Michele Bachmann of Minnesota, a Republican presidential candidate, speaks to supporters during a campaign stop at Angie's Subs in Jacksonville Beach, Fla., on Friday as her husband, Dr. Marcus Bachmann, listens. (Associated Press)

The amiable Rep. Tim Scott, South Carolina Republican, is only five months in office, but already hosts presidential town meetings. Rep. Michele Bachmann joins his second event on Thursday in Charleston. (Image courtesy of Rep. Tim Scott)

Republican presidential candidate Michele Bachmann's campaign promise to get gas back down to $2 a gallon if she's elected has created skepticism among energy industry experts. "Many [politicians] will say or do just about anything to get elected," said Robert Rapier of Consumer Energy Report. (Associated Press)

Republican presidential candidate Rep. Michele Bachmann, Minnesota Republican (Associated Press)

Republican presidential candidate, Rep. Michele Bachmann, R-Minn. speaks at The Hall at Senate's End, during a stop in Columbia, S.C., Thursday, Aug. 18, 2011, on her bus tour of the Palmetto State. (AP Photo/Brett Flashnick)

Rep. Michele Bachmann, Minnesota Republican and presidential candidate, speaks Aug. 18, 2011, at the Hall at Senate's End in Columbia, S.C., during her bus tour of the state. (Associated Press)

A pair of Republican presidential hopefuls, Rep. Michele Bachmann and Mitt Romney, and the tea party movement get the cartoon treatment from Bluewater Comics. (Bluewater Comics)