london allegations unite state british spy agency gchq snoop donald trump election campaign arrant nonsense deputy head u.s. national security agency nsa say interview saturday president trump stand unproven claim obama administration tap phone 2016 white house race thursday spokesman cite media report britain gchq behind surveillance richard ledgett deputy director nsa tell bbc news idea britain hand spy trump crazy belie complete lack understand relationship work intel community agencies completely ignore political reality would uk government agree ledgett say would advantage britain government spy trump give potential cost say would epically stupid say ledgett due retire shortly current former nsa officials describe acrimonious relationship intelligence agencies trump administration trump become president january tweet early month democratic predecessor barack obama wiretapped late stag 2016 campaign republican president offer evidence allegation obama spokesman say simply false fox news analyst andrew napolitano tuesday accuse government communications headquarter gchq british equivalent nsa help obama spy trump white house spokesman sean spic quote napolitano comment thursday gchq say claim spy trump utterly ridiculous ignore rare public statement friday trump say question ask fox news top nsa official ridicule allegation britain spy trump