Former presidents George Bush (R) and Bill Clinton (2nd L) along with Illinois Senator Barack Obama (C) visit with evacuees of Hurricane Katrina inside Reliant Hall adjacent to the Astrodome in Houston, Texas September 5, 2005. Former U.S. presidents George Bush and Bill Clinton established a new fund on Monday to assist the hundreds of thousands of people displaced by Hurricane Katrina’s destructive impact on the U.S. Gulf Coast. REUTERS/Richard Carson