"In the late fifties and sixties, iconoclastic young rebels in Chicago opened two tiny theaters--The Compass and The Second City--where they satirized politics, religion, and sex. Building scenes by improvising based on audience suggestions turned out to be a fine way to develop great actors, directors, and writers. Alumni went on to create such groundbreaking works as The Graduate, Groundhog Day, and Don't Look Up. Many of them also became stars...