FILE - In this May 3, 2012, file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney and Rep. Michele Bachmann, R-Minn., arrive at a campaign stop in Portsmouth, Va. Remember Newt Gingrich calling Mitt Romney a liar? Bachmann saying Romney's unelectable? Rick Santorum calling Romney "the worst Republican in the country" to run against Obama? They're hoping you don't. And acting like it never happened _ even though most of their words are just clicks away online.(AP Photo/Jae C. Hong, File)

Associated Press
FILE - In this May 3, 2012, file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney and Rep. Michele Bachmann, R-Minn., arrive at a campaign stop in Portsmouth, Va. Remember Newt Gingrich calling Mitt Romney a liar? Bachmann saying Romney's unelectable? Rick Santorum calling Romney "the worst Republican in the country" to run against Obama? They're hoping you don't. And acting like it never happened _ even though most of their words are just clicks away online.(AP Photo/Jae C. Hong, File)
FILE - In this May 3, 2012, file photo, Republican presidential candidate, former Massachusetts Gov. Mitt Romney and Rep. Michele Bachmann, R-Minn., arrive at a campaign stop in Portsmouth, Va. Remember Newt Gingrich calling Mitt Romney a liar? Bachmann saying Romney's unelectable? Rick Santorum calling Romney "the worst Republican in the country" to run against Obama? They're hoping you don't. And acting like it never happened _ even though most of their words are just clicks away online.(AP Photo/Jae C. Hong, File)
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