This Week on the Colbert Report

MONDAY 1/8 -- Ethan Nadelmann -- drug legalization proponent

TUESDAY 1/9 -- Jim Cramer -- host of CNBC's Mad Money

WEDNESDAY 1/10 -- David Kamp -- author, United States of Arugula: How We Became a Gourmet Nation

THURSDAY 1/11 -- Judy Woodruff -- PBS' The Newshour