2012 Republican presidential possibilities (9 images)

Though the list for the GOP nomination changes by the day, some candidates (and could-be candidates) are quietly gaining momentum in the crowded race. Here's a summary of the newest, loudest and most controversial Republican candidates.
Updated: May 23, 2011 at 5:25 PM
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Former Utah governor and prospective Republican candidate Jon Huntsman Jr. left his post as ambassador to China under the Obama administration just three weeks ago, and now he's on a tour of New Hampshire. His first task will be getting his name out there -- this month's Gallup poll reported that only one in four U.S. voters knew who he was. Here, Huntsman testifies before the Senate Foreign Relations Committee regarding his nomination to be ambassador to China in July 2009. (UPI Photo/Roger L. Wollenberg)
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