Super Tuesday (27 images)

Super Tuesday, with 10 primaries and over 400 delegates up for grabs between the highly combative Republican presidential nomination process, could hold the key to the eventual nominee, be it presumptive favorite Mitt Romney, the resurgent Rick Santorum, Newt Gingrich or Ron Paul.
Updated: March 7, 2012 at 9:22 AM
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A supporter of Republican presidential candidate Mitt Romney holds a copy of his book 'No Apology' while waiting for the candidate's arrival at the Westin Copley Place in Boston Massachusetts on Super Tuesday, March 6, 2012. UPI/Matthew Healey
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