People tell the story in different ways, but they agree on this much: In 1979, at Hanover College, the boys of Phi Gamma Delta threw a party with girls and booze. Hanover, a small liberal arts school perched high on the Indiana side of the Ohio River with views of Kentucky, is a Presbyterian institution with strict rules on alcohol, and an event like this was far out of bounds. Word came to the revelers that someone from the dean’s office was headed their way. Everyone scrambled. Women were hustled out, floors swept and mopped, and kegs tossed down a...