This Week on the Colbert Report

MONDAY 4/30 -- Neil deGrasse -- Tyson, astrophysicist; and
Senator Bill Bradley author, "The New American Story"

TUESDAY 5/1 -- Malcolm Gladwell -- author, Blink

WEDNESDAY 5/2 -- Gina Kolata -- author, "Rethinking Thin"

THURSDAY 5/3 -- Conn Iggulden -- author, "The Dangerous Book for Boys"