LBJ: The Early Years An offer of the Vice Presidency by John Kennedy is at first rejected by Johnson because of the advice of Sam Rayburn. The next day, Rayburn tells Johnson that he changed his mind, and LBJ accepts the offer, despite Robert Kennedy's attempt at squashing the idea. After JFK is elected in 1960, Johnson soon regrets his decision, and he is made to fill the most benign of roles while the President and his brother shut him out of meetings. This position changes drastically when John Kennedy is shot in Dallas in 1963, and Lyndon Johnson becomes the new President of
Referred pain method as it does not require special training in how it should be used. The frequency of the electrical pulse can also be controlled. For most studies a frequency of about 10 Hz is needed to stimulate both local and referred pain. Using this method it has been observed that significantly higher stimulus strength is needed to obtain referred pain relative to the local pain. There is also a strong correlation between the stimulus intensity and the intensity of referred and local pain. It is also believed that this method causes a larger recruitment of nociceptor units resulting in a