(Rainier Ehrhardt/AP)

It’s been 40 years since the Cleveland Indians thought up the worst idea ever — 1974’s “10-Cent Beer Night.” What started as a few hilarious antics from some drunk streakers ended in a full-scale riot. Who knew a seemingly unlimited supply ridiculously cheap alcohol, rowdy sports fans and a growing rivalry between the Indians and the Texas Rangers would take such a turn? Yes, here’s how not to host a promotional night…