<p>President Johnson shocked the nation when he ended his bid for reelection in 1968. As early as 1964, Lady Bird had suggested that he might not want to run for a second term.</p>
<p><span class="deck">The Johnsons and the Kennedys are popularly thought to have shared a strong mutual dislike, but stacks of letters and a remarkable tape of Jacqueline Kennedy reminiscing show something very different and more interesting.</span></p>
