this was the frustration that made lyndon johnson's fingernails sweat. >> b-52 bombers made attacks at casson. >> unup in the northern western corner of south veem. >> 6,000 american marines and 500 south veet namtz rangers are surrounded by 40,000 communist troops. >> and general west moreland says this is great, the culminating battle we wanted. >> johnson is very worried that the outcome of this bolts could change the outcome of the war. >> the eyes of the nation and of all history itself are on that little brave band of defenders at casson and the area that is