By Lisa M. Sodders, Staff Writer HOLLYWOOD - Actor Martin Sheen and other Hollywood figures called for an immediate end to war in Iraq, addressing some 1,000 anti-war activists who marched through Hollywood Saturday on the war's third anniversary. From a stage erected in the street near Grauman's Chinese Theater, speakers condemned President George W. Bush as a liar and criticized his administration for the Iraq war, its record on the environment, the handling of Hurricane Katrina relief and other issues. "Your voices are the only ones worth listening to, and lost causes are the only ones worth fighting for,"...