Laurie Metcalf!! Today we spoke with award-winning actress Laurie Metcalf!! You’ll definitely remember her as Jackie on “Rosanne,” and Sheldon’s mom on “Big Bang Theory.” Her credits are numerous and include TV, film and stage. In fact,Â she was awarded a Tony this year, Best Actress in a Play, for “A Doll’s House, Part 2.” Enjoy our chat with the latest member of The Mayhem Hall of Fame, Laurie Metcalf!!