News roundup: Former Sen. John Breaux will teach fall seminar at LSU … Mississippi River mayors say Paris pullout hurts US ag exports … Louisiana loses one rig, US gains eight

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    Ahead of the class: Former U.S. Sen. John Breaux will teach a fall seminar on the inner workings of Washington, D.C., to students at the LSU Manship School of Mass Communication. The class will be par…


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