Santorum wins Louisiana primary by significant margin

By AP Rick Santorum scored a victory in Louisiana's Republican presidential primary on Saturday, another Southern victory for the former Pennsylvania senator as he maintains his challenge to GOP front-runner Mitt Romney. Turnout was reported low in

The preliminary results of exit polls of Louisiana Republican voters suggest the electorate there is about as conservative as in other Southern states. And as among Republican primary voters nationwide, the economy trumps other issues to voters there.

By JENNIFER AGIESTA 03/24/12 10:40 PM ET Early results from exit polls of Louisiana Republican voters show Rick Santorum carried the state with a broad base of enthusiastic supporters and his widest margins of the campaign over Mitt Romney among the

Usually, by the time the Louisiana primary rolls around, the nomination has been pretty much settled.” Jason Doré, of the Louisiana Republican Party Louisiana voters go to the polls Saturday for a handful of local elections and party contests.