In late October, Mega Millions announced that someone had won its $1.5 billion jackpot. But two months have passed and still, no one has come forward to claim the enormous prize, Josh Whiteside, director of marketing at the South Carolina Education Lottery, tells CNBC Make It. "Everyone's talking about it," said Jee Patel, the manager of the KC Mart in Simpsonville, South Carolina, where the winning ticket was purchased. "It's a mystery." The winner, who beat the odds of 1 in 302 million, gets 180 days, or until April 21, to collect before the ticket expires. If the prize goes...