Obama : Massacre leaves `` stain on our collective conscience '' 775 watch burial of Thousands recently identified genocide victims . Ratko Mladic has been charged with genocide and remains a fugitive . European president Barack Obama is now on trial at the tribunal in Bosnia-Herzegovina .
Obama : Massacre leaves `` stain on our collective conscience '' Thousands watch burial of 775 recently identified genocide victims . Ratko Mladic has been charged with genocide and remains a fugitive . Bosnian Serb president Radovan Karadzic is now on trial at the tribunal in The Hague .