CBS has canceled seven series, including the veteran procedurals Ghost Whisperer, Numb3rs and Cold Case, according to The Hollywood Reporter. Also axed are freshmen series Accidentally on Purpose and Miami Medical, and perennial bubble shows The New Adventures of Old Christine and Gary Unmarried, the Reporter says. The network has, however, renewed Rules of Engagement and Medium, which it picked up from NBC last year, according to the trade paper. Fall TV Scorecard: Which shows are returning?