American David Duke, a former Ku Klux Klan leader, attends the international conference of 'Review of the Holocaust: Global Vision' in Tehran

 
American David Duke, a former Ku Klux Klan leader, attends the international conference of
American David Duke (L), a former Ku Klux Klan leader, attends the international conference of 'Review of the Holocaust: Global Vision' in Tehran, December 12, 2006. Iran staged a conference on Monday to debate the Holocaust and question whether Nazi Germany used gas chambers, prompting charges it was encouraging the denial of the killing of 6 million Jews during World War Two. REUTERS/Stringer (IRAN)