AP - A significant amount of radioactive waste from Cold War bomb-making should remain at former production sites, and several locations should be kept open longer than planned to treat waste from elsewhere, scientists recommended Tuesday.{br}{br}View the Entire Article (http://us.rd.yahoo.com/dailynews/rss/science/*http://story.news.yahoo.com/news?tmpl=story2&u=/ap/20050301/ap_on_sc/nuclear_waste){br}