LOS ANGELES — Sean Penn has built one of the most decorated careers in contemporary acting, and he has added another Oscar to the list.  On Sunday, Penn won the Academy Award for best supporting actor for his performance in Paul Thomas Anderson’s political drama “One Battle After Another.” He delivered a commanding portrayal of a seasoned power broker navigating the shifting loyalties and ideological battles at the center of the film. READ: It’s ‘Sinners’ vs ‘One Battle After Another’ as Oscars day arrives Penn, 65, did not attend the Oscars. “He couldn’t be here tonight, or he didn’t want to,” Kieran Culkin said after announcing […]... Keep on reading: Sean Penn wins Oscar best supporting actor, but opts not to attend