<p>Republican presidential candidate, former Pennsylvania Sen. Rick Santorum speaks during his election night party, Tuesday, March 13, 2012, in Lafayette, La. (AP Photo/Eric Gay)</p>
March 14, 2012
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March 14, 2012 9:15 p.m.
Santorum sweeps in the South
WASHINGTON - A resurgent Rick Santorum swept primaries in Alabama and Mississippi Tuesday night, upending the race for the Republican presidential nomination yet again and nudging Newt Gingrich toward the sidelines.