That's the subtitle of Winter of Our Discontent, an upcoming alternate history novel by Harry Turtledove and Bryce Zabel.
The point of divergence is that a Secret Service agent spotted the glint off of Oswald's rifle seconds before he fired. Kennedy survived November 22, 1963. Whether or not he would survive scandals that would rock his administration would not be so certain.
You can read the first chapter of the novel here, and the articles of impeachment here.