Buzzfeed CEO Jonah Peretti visits The Colbert Report and Gregg Allman and The National join Stephen for Christmas Carol Week.
Author George Packer discusses his 2013 National Book Award winner "The Unwinding: An Inner History of the New America."
Author Elizabeth Gilbert stops by to talk about her new book "The Signature of All Things."
Alex Blumberg, contributing editor for NPR's "Planet Money," discusses an entertaining take on the global economy.
Scientist and Harvard professor David Keith argues the benefits of using technology to slow the pace of global warming.
Alan Mulally, President and CEO of Ford Motor Company, stops by The Colbert Report.
Bryan Stevenson discusses his nonprofit, The Equal Justice Initiative.
Voyager Project Scientist Ed Stone talks about his time with NASA and teaching physics at the California Institute of Technology.
Author Daniel Goleman discusses his new book "Focus: The Hidden Driver of Excellence."
J.J. Abrams stops by and explains his new book "S."
M.I.A. debuts a song off her new album "Matangi."
Stephen welcomes Rick Santorum to the show to talk about his faith-based movie production company, EchoLight Studios.
Director Steve McQueen discusses his movie "12 Years a Slave."
Reddit co-founder Alexis Ohanian visits the show and talks about his book "Without Their Permission."
Stephen welcomes Blind Boys of Alabama to The Colbert Report to discuss their album "I'll Find A Way."
Professor David Christian stops by the show and talks about "Big History" on H2.