Mega-millions jackpot rockets to $640 million
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HAWTHORNE, CA - MARCH 29: Keona Buckhanon rubs her Mega Millions Lottery ticket on a Bluebird statuette for good luck at Bluebird liquor store on March 29, 2012 in Hawthorne, California. The Mega Millions jackpot has reached a record high of $540 million (Photo by Kevork Djansezian/Getty Images)
