johnson and then along came kennedy, bobby kennedy, and all of this just sort of caused him to just basically give it up and say, you know, i need to be out of this. and the reason he quit was there are a lot of different ideas about it, but some say he was not healthy. others thought that he felt he couldn't win the war and couldn't do any good. maybe he couldn't win the election, his re-election. so no one really knows what those reasons were. humphries was shocked because johnson had -- when he -- when he read this over tv in a letter to people. sort of a thing that he had written, and in the morning he called -- that day that he left, he called humphreys and told him to come over in the morning and showed him a letter and said there's two endings to this and didn't tell him which one it was. humphries went to mexico on a trip and found out that he had left the presidency.