Karen Bach, director of Budget, Products and Communications of the Arizona Lottery, announces during a news conference that one of the winning tickets in the $579.9 million Powerball jackpot was purchased in Fountain Hills, Ariz., Thursday, Nov. 29, 2012, in Phoenix. (AP Photo/Ross D. Franklin)

Photo by: Ross D. Franklin

Karen Bach, director of Budget, Products and Communications of the Arizona Lottery, announces during a news conference that one of the winning tickets in the $579.9 million Powerball jackpot was purchased in Fountain Hills, Ariz., Thursday, Nov. 29, 2012, in Phoenix. (AP Photo/Ross D. Franklin)