Checking In

Checking InOne of the best things about last year's "Night Shift" was the film debut of comic Michael Keaton. A native of Pittsburgh, where he was raised a Catholic, the youngest of seven children, Keaton dropped out of Kent State and headed for Los Angeles eight years ago. Sleeping in his car, he quickly worked his way onto the stage of The Comedy Store and eventually wound up on the ill-fated Mary Tyler Moore variety show: "I learned a lot working with Mary. Everybody knows she'...