Do you think Moscow is justified in its concerns about <strong><a class="" title="" href="http://www.rferl.org/features/features_Article.aspx?m=04&y=2007&id=E287371B-9C88-4BF6-9DF6-4A27E323D0D5" target="">the proposed U.S. missile-defense system</a></strong> in Europe ?