This Week on the Colbert Report

MONDAY 7/23 -- Simon Schama -- host, "The Power of Art"

TUESDAY 7/24 -- Anthony Romero -- author, "In Defense of Our America"

WEDNESDAY 7/25 -- Charles Kaiser -- author, "The Gay Metropolis"

THURSDAY 7/26 -- Robert Shrum -- author, "No Excuses: Concessions of a Serial Campaigner"