Christine Jones (L) is comforted by her daughter Ashley as they stand in front of Christine's home which was destroyed when a tornado ripped through the area on May 22, 2013 in Moore, Oklahoma. The tornado of at least EF4 strength and two miles wide touched down May 20 killing at least 24 people and leaving behind extensive damage to homes and businesses. U.S. President Barack Obama promised federal aid to supplement state and local recovery efforts.