WASHINGTON - U.S. Rep. Michele Bachmann has avoided criticizing Rick Perry even as the Texas governor has overtaken her in the polls for the GOP presidential nomination.
That isn't stopping an independent pro-Bachmann political action committee from launching its own attack.
Keep Conservatives United, one of two so-called Super PACs supporting Bachmann's presidential bid, is launching TV ads in South Carolina this week directly attacking Perry.
"He's supposed to be the Tea Party guy?" a narrator asks of Perry in the ad. "There is an honest conservative, and she's not Rick Perry."
The PAC's hard line against Perry stands in contrast to Bachmann, who has focused her attacks on President Obama and former Minnesota Gov. Tim Pawlenty, who has since dropped out of the race. Her TV ads in Iowa have been warm introductions, highlighting her as a mother, tax attorney and small-business owner.
The PAC's attack, one of the first TV spots to launch in South Carolina, is the latest example of Super PACs taking on an outsized role in the 2012 election. Created in the wake of the U.S. Supreme Court's Citizens United decision in 2010, Super PACs have emerged to offer firm backing to most of the GOP presidential field: Bachmann, Perry, former Massachusetts Gov. Mitt Romney, Texas Rep. Ron Paul and former Utah Gov. Jon Huntsman. President Obama also has a Super PAC in his court.
Super PACs are required by law to remain entirely separate from a candidate's campaign. But even if Bachmann's campaign isn't behind the latest ads, are voters going to realize -- or care -- that there is a difference?
"Most voters just watch what they see on TV and either agree or disagree," said Henry McMaster, a former South Carolina attorney general and GOP state party chair who is backing Huntsman. "I don't think the average voter concerns himself or herself with the source as much as what's in it."