With the Powerball lottery once again in the news, people dream about becoming the lucky ones who put the mega in millions. Massive jackpots — that have only gotten more massive in recent years — feed those fantasies of mind-blowing winnings. But lottery games are mostly only lucrative for the private companies that states hire to run them, says Lew Lefton, who retired from the School of Mathematics faculty this year but is still affiliated with the Institute. Lefton is also a former Assistant Dean for Information Technology in the College of Sciences.