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Republican presidential candidate, former Massachusetts Gov. Mitt Romney and his wife Ann wave to supporters at his Super Tuesday campaign rally in Boston, Tuesday night, March 6, 2012. (AP Photo/Stephan Savoia)

Scenes from Super Tuesday

Republicans in 10 states weighed in on the GOP presidential nomination race in its busiest day yet. Mitt Romney won six states, Rick Santorum clinched three and Newt Gingrich prevailed in one.