ADLAI STEVENSON IN DALLAS HIT BY PICKET SIGN IN TEXAS. Dallas , Texas ; A woman demonstrator ( right ) her tongue sticking out determinedly , swats US Ambassador to the UN , Adlai Stevenson ( hidden by sign left ) with a picket sign here yesterday . The incident was one of many that marred Stevesnon ' s trip here to speak during a United Nations Festival week . Flag waving anti - UN demonstrators prevented Police from escorting Stevenson to his car , pushing him repeatedly . When he stepped up to the door two men leaped forward and spat in his face . Fist - fights broke out in the audience and Police arrested one unidentified man . 25 OCTOBER 1963