President Barack Obama with former President George H. W. Bush, first lady Michelle Obama and former first lady Barbara Bush, behind left, arrive to present the 5,000th Daily Point of Light Award to Floyd Hammer and Kathy Hamilton, a retired couple and farm owners from Union, Iowa, in the East Room of the White House in Washington, Monday, July 15, 2013. Obama welcomed Bush to the White House in a salute to public service and to the drive for volunteerism that the 41st president inspired with his "thousand points of light" initiative more than two decades ago. (AP Photo/Carolyn Kaster) ( Obama First President Bush )