As a new authoritarian movement rises in American politics, stoked by one of the country’s most outrageous demagogues, there is an all-out international manhunt for an American traitor. The U.S. Army’s Nazi war crimes trials in Germany have been infiltrated by a spy -- a mole for the other side....

Nicolle Wallace is joined by Andrew Weissmann, Susanne Craig, Vaughn Hillyard, Harry Litman, Lachlan Cartwright, Michael Cohen, Rev. Al Sharpton, and John Heilemann.