washington/london republican presidential candidate donald trump say thursday think britain would good european union opposite stance take likely rival hillary clinton many political leaders around world britons vote referendum june 23 whether leave 28-member eu momentous decision trade investment defense political ramifications stretch far beyond britain border would say good without personally make recommendation feel trump say interview fox news television add want britons make decision think migration horrible thing europe lot push eu say without provide specifics initial reaction trump comment go previously say subject mute britain focus incoming result local regional elections give trump controversial statements negative image eye many europeans include britons clear whether endorsement would good bad indifferent britain leave campaign spokesman campaign decline comment u.s. president barack obama make passionate intervention eu debate visit london last month say eu membership magnify britain role world make prosperous obama warn britons country would find back queue trade deal unite state vote leave eu remain camp lead prime minister david cameron repeatedly say none britain significant ally want leave bloc thursday japanese prime minister shinzo abe become late foreign leader say would good britain ally remain european club obama intervention remain campaign publish advertisement side-by-side photos obama smile trump distort facial expression finger air slogan read obama think uk strong europe trump think uk leave europe whose side image suggest official remain campaign view trump repellent british voters spokesman campaign immediate comment friday trump say britain would good outside eu