U.S. Missile Shield Won't Work: Scientist Group

http://www.reuters.com/newsArticle.jhtml?type=topNews&storyID=5133987&src=rss/topNews§ion=news

WASHINGTON (Reuters) - The multibillion-dollar U.S. ballistic missile shield due to start operating by Sept. 30 appears incapable of shooting down any incoming warheads, an independent scientists' group said on Thursday.