Associated Press
FILE - In this  May 2, 2010, file photo, President Barack Obama meets coast guard first responders in Venice, La., as he visits the Gulf Coast region affected by the BP (British Petroleum) oil well spill. President 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/Charles Dharapak, File)

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