In this Aug. 31, 2012, photo, Republican presidential candidate Mitt Romney, left, and Louisiana Gov. Bobby Jindal, center, greet residents displaced by Isaac in Lafitte, La. President

 

              In this Aug. 31, 2012, photo, Republican presidential candidate Mitt Romney, left, and Louisiana Gov. Bobby Jindal, center, greet residents displaced by Isaac in Lafitte, La. President
In this Aug. 31, 2012, photo, Republican presidential candidate Mitt Romney, left, and Louisiana Gov. Bobby Jindal, center, greet residents displaced by Isaac in Lafitte, La. President Barack Obama tweaked his travel plans to head to Louisiana on Monday, Sept. 3, 2012, to see the damage from Hurricane Isaac ahead of his own nominating convention_ shortly after Republican presidential candidate Mitt Romney toured the area. (AP Photo/Gerald Herbert)