UPDATE: Mega-mania as jackpot increases to $640 million

Friday, March 30, 2012 | 1:11 p.m. CDT

OMAHA, Neb. — Lottery ticket lines swelled Friday as the record Mega Millions jackpot grew to $640 million, thanks to players who cast aside concerns about long odds and opened their wallets for a chance at becoming an overnight millionaire.