This Week on the Colbert Report

MONDAY 12/18 -- Jack Welch -- author, "Winning: The Answers: Confronting 74 of the Toughest Questions in Business Today"

TUESDAY 12/19 -- Deepak Chopra -- author, "Life After Death"

WEDNESDAY 12/20 -- Howard Zinn -- author, "A Power Governments Cannot Suppress"

THURSDAY 12/21 -- Dr. Francis S. Collins -- author, "The Language of God" (Repeat episode)