In Orlando, where he joined most of the Republican presidential field at a three-day "Sunshine Summit," Gov. Bobby Jindal (R-La.) got his biggest applause when he praised someone else's work. Jindal praised French President Francois Hollande for acting swiftly after Islamic terrorists massacred more than 100 people in Paris.

"He's closed the borders," said Jindal. "It is time to close our borders and keep our people safe from these radical, evil terrorists."

The audience's loud approval was a sort of vindication for Jindal. Earlier this year, after a trip to London, he had been criticized for saying that Muslims had turned some European ghettos into "no-go zones." Even London's conservative mayor Boris Johnson denounced Jindal. Nearly a year later, he was joining a chorus of Republicans calling for a halt to refugees from Syria and tighter control over who can enter the United States.

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