Landmark Treaty U.S and Russia agree to reduce nuclear arsenals. news_pol_bush_george3_rts.jpg l video.gif http://start.real.com/rd?pid=cnn_gp&url=r1_quickcast.smi?rpurl=http://www.cnn.com/ cnn.gif http://start.real.com/rd?pid=cnn_gp&url=r1_quickcast.smi?rpurl=http://www.cnn.com/ PLAY headline