washington senate majority leader mitch mcconnell tuesday condemn white supremacists remark respond presidential candidate donald trump failure disavow white supremacist group interview mcconnell tell reporters lot talk past 24 hours one presidential candidates seem ambivalence ku klux klan white supremacist group david duke former klan leader let make perfectly clear senate republicans condemn david duke kkk racism mcconnell tell reporters add republicans condemn everything stand for report susan cornwell article fund part sap independently create reuters editorial staff sap editorial involvement creation production senate 's mcconnell condemn white supremacists