LBJ's 1955 heart attack at George Brown's home and his health before the heart attack; LBJ's recovery from the heart attack; why LBJ was an effective Senate majority leader; LBJ's relationships with President Dwight Eisenhower and Sam Rayburn; speculation that LBJ might run for president in 1956; the 1955 tax bill; the Reciprocal Trade Bill; Smathers' view of Medicare legislation; parliamentary procedure in the Senate; the 1955 Minimum Wage Bill; the 1960 Democratic National Convention and LBJ agreeing to be JFK's running mate; LBJ's relationship with Richard Nixon.