DNA tests have revealed Adolf Hitler may have been related to both Jews and black people that he earmarked for extermination. Brussels news magazine Knack has claimed that DNA obtained from the Nazi leader's relatives living in America led to the discovery. Journalist Jean-Paul Mulders garnered the DNA from a serviette dropped by one of three known Hitler descendants who live on Long Island, New York. That led earlier this year to the tracking down in Austria of a farmer known only as Norbert H. who was found to be a cousin of the German dictator. Mulders used the services...