** FILE ** In this Aug. 17, 2009 file photo, President Barack Obama poses for a picture after speaking at the Veterans of Foreign Wars National Convention in Phoenix. (AP Photo/Alex Brandon, File)
** FILE ** In this Aug. 17, 2009 file photo, President Barack Obama poses for a picture after speaking at the Veterans of Foreign Wars National Convention in Phoenix. (AP Photo/Alex Brandon, File)
Republican presidential candidate, former Massachusetts Gov. Mitt Romney addresses the 113th National Convention of the Veterans of Foreign Wars, Tuesday, July 24,2012, in Reno, Nev. (AP Photo/Rich Pedroncelli)
Republican presidential candidate Mitt Romney addresses the 113th National Convention of the Veterans of Foreign Wars in Reno, Nev., on July 24, 2012. (Associated Press)
President Obama addresses the 113th National Convention of the Veterans of Foreign Wars in Reno, Nev., on July 23, 2012. (Associated Press)
President Obama addresses the 113th National Convention of the Veterans of Foreign Wars in Reno, Nev., on July 23, 2012. (Associated Press)
President Obama addresses the 113th National Convention of the Veterans of Foreign Wars in Reno, Nev. Monday, July 23, 2012. (Associated Press)
President Obama addresses the 113th National Convention of the Veterans of Foreign Wars in Reno, Nev. Monday, July 23, 2012. (Associated Press)
Former Massachusetts Gov. Mitt Romney, who is running for the 2012 Republican presidential nomination, addresses the national convention of the Veterans of Foreign Wars on Tuesday, Aug. 30, 2011, in San Antonio. (AP Photo/Eric Gay)
