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
20 of 27
Republican presidential candidate Mitt Romney exits the Beech Street Senior Center after he voted in the Massachusetts primary in Belmont, Massachusetts on Super Tuesday, March 6, 2012. UPI/Matthew Healey
| License Photo