Appreciation: Penny Marshall broke ground as a director, but on TV she was loved as 'Laverne'

In terms of historical importance, Penny Marshall's career as a film director - her "Big" was the first picture by a woman to gross more than $100 million at the U.S. box office - overshadows her work as an actress, mostly in television. Yet millions unaware that she ever directed a movie will remember her fondly as Laverne DeFazio, friend, roommate and co-worker to Cindy Williams' Shirley Feeney in the sitcom "Laverne & Shirley," which ran on ABC from 1976 to 1983. Many will remember her as well as Oscar Madison's secretary Myrna on