Bell served Stevenson as a speech writer and as Stevenson 's White House liaison .
In 1952 , Bell left Washington temporarily to join the campaign staff of the Democratic nominee for president , Adlai Stevenson .
Bell served Adlai Stevenson as a speech writer and as Adlai Stevenson 's White House liaison .
In 1952 , Bell left Washington temporarily to join the campaign staff of the Democratic nominee for president , Adlai Stevenson .