File photo of US President George W Bush boarding Air Force One after speech in New Orleans

 
File photo of US President George W Bush boarding Air Force One after speech in New Orleans
U.S. President George W. Bush boards Air Force One after speaking about Hurricane Katrina's damage to the nation on network television from Jackson Square in New Orleans, in this September 15, 2005 file photo. August 29, 2010 marks the fifth anniversary of the storm's landfall in Louisiana. REUTERS/Larry Downing/Files (UNITED STATES - Tags: DISASTER ANNIVERSARY)