Summary: According to a new NBC/WSJ poll, 53 percent of respondents who said they expect to vote in the 2012 GOP presidential primary identified themselves as Tea Party supporters. Their favorite candidate right now: former Arkansas governor Mike Huckabee, who shot to prominence after winning the Iowa primary in 2008. House Tea Party Caucus leader Michele Bachmann of Minnesota was not named in the poll. … One-year retrospective: One year ago today, on March 3, 2010, Aubrey Immelman reported that the number of extremist groups in the United States exploded in 2009 as militias and other groups steeped in wild, anti-government conspiracy theories exploited populist anger across the country and infiltrated the mainstream, according to the Southern Poverty Law Center’s (SPLC) 2010 annual Intelligence Report.