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Saturday should be another good day for Rick Santorum, as his strength has been in Southern states. Polls in Louisiana, which is holding its primary, also gave him a double-digit lead over Mitt Romney coming into the weekend.

The Sportsman's Paradise has 46 Republican delegates to send to the party's presidential-nominating convention. But the very helpful Frontloading HQ blog informs us that only 20 of 25 at-large delegates will be doled out based on Saturday's results.

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SCOTT SIMON, HOST:

The situation in Syria has deteriorated further this week. Government troops once again opened fire on thousands of protesters, armed rebels continued their own resistance, which looks more and more like an insurgency. All this despite a push by the United Nations fro a cease-fire. NPR's Kelly McEvers reports.

KELLY MCEVERS, BYLINE: It's hard to know where to start when it comes to Syria. First, let's go the protests that continued despite the fact that violence is on the rise.

(SOUNDBITE OF PROTESTING)

A rally organizers have billed as the "largest secular event in world history" will be held on the National Mall today.

The Reason Rally will bring atheists and nonbelievers together in a hallowed American place.

But Paul Fidalgo of the Center for Inquiry, one of the organizations involved, says, "It's not a march on Washington where we're picketing anything. It's a celebration of the fact that the secular movement is really starting to come into its own."