(By DAN ELLIOTT, Associated Press Writer) Charlie Sheen's wife told police the actor pinned her on a bed, put a knife to her throat and threatened to kill her in a Christmas Day fight in Aspen that began when she said she wanted a divorce.An arrest warrant affidavit released Monday quotes Brooke Mueller Sheen as saying that the actor straddled her on a bed with one hand grasping her neck and the other holding the knife.