Investigation finds Belgian racing pigeons fly high on cocaine and painkillersBy Agence France-PresseThursday, October 24, 2013 15:33 EDTNothing is sacred it appears in the high-flying world of pigeon racing in Belgium, where six birds were found to have been doped with drugs such as cocaine and painkillers, Belgian media reported Thursday.Cycling-mad Belgium is used to hearing of sports stars pum