You got to stay in the pocket."
The "Late Show" host has the CliffsNotes.
WHAT'S HAPPENING
My Next Guest Needs No Introduction" debuts Jan. 12.
Including Franken "would distract from the shows purpose as a celebration of American humor," PBS said.
The two rockers talked pre-concert rituals and spooky experiences.
The former host was praised for his imagination, comic daring and heart.
America Ferrera, Amy Schumer, Kumail Nanjiani and Judd Apatow are just some of the famous faces joining in.
The former secretary of state then explained what Trump should have said.