State Senator Mark Leno and Sean Penn plan to reintroduce a bill Tuesday to mark Harvey Milk's birthday as a "day of significance" across California. Originally vetoed by Arnold Schwarzenegger -- the lug said only people in San Francisco would care about it -- the success of Gus Van Sant's biopic about the former slain San Francisco supervisor at this year's Oscars has prompted the method acting, Marin resident to push for a holiday honoring the murdered gay rights activist.