Louisiana Primary: Louisiana primary keeps Santorum's hopes alive as Gingrich, Paul fade

Rick Santorum led front-runner Mitt Romney by a wide margin in Louisiana's primary election. But the results did little to close the delegate gap, and upcoming primaries favor Romney. By Brad Knickerbocker, Staff writer / March 25, 2012 RepublicanRick Santorum led front-runner Mitt Romney by a wide margin in Louisiana's primary election. But the results did little to close the delegate gap, and upcoming primaries favor Romney. By Brad Knickerbocker, Staff writer / March 25, 2012

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