Reuters | Sean Penn: a Hollywood rebel with many causes AsiaOne [Photo: Penn and his wife Robin Wright Penn arrive on the red carpet at the 81st Academy Awards in Hollywood.] By Rob Woollard LOS ANGELES, Feb 22, 2009 (AFP) - A darling of the anti-establishment who is famous for tackling powerful, challenging roles, ... Sean Penn wins best actor Oscar for "Milk" 81st Academy Awards Sean Penn wins Oscar for Best Actor |