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 Speaker of the House Newt Gingrich announced his candidacy in May via YouTube, Facebook and Twitter, and has been the subject of scrutiny ever since. After calling Congressman Paul Ryan's budget plan "radical," his financial disclosure statement revealed debts to American Express in excess of $15,000 and between $250,000 and $500,000 to Tiffany's jewelry store.
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