Kiefer Sutherland is known for several things-his acting skills, getting wasted and jumping on Christmas trees, his famous father, 24, and having a short fused temper that could cause him to blow at any moment. And the other night at the Met Gala that's exactly what he did. According to sources, Proenza Schouler designer Jack Mccollough allegedly knocked Brooke Shields over in the presence of