Dna samples of world leaders

hi, Yesterdays briefing on the death of saddams sons-the bodies were said to be send for positive identification through dna tests.How are these samples obtained anyway?Royal Saloons,Royal Doctors,Visits to the US during peace times?What more effecient methods are used? Sarath. __________________________________ Do you Yahoo!? Yahoo! SiteBuilder - Free, easy-to-use web site design software http://sitebuilder.yahoo.com