Thomas Friedman

Michael Lewis

Hugh Jackman

Jason Sudeikis

Ellen Schultz

Calvin Trillin

Al Sharpton

Richard Brookhiser

Kevin Clash

Walter Isaacson

Lisa Randall

Andrew Napolitano

Mindy Kaling

Condoleezza Rice

Tom Brokaw

Brad Paisley

Clint Eastwood

Bill Clinton

Nancy Pelosi

Leymah Gbowee

Mark Kelly

Diane Keaton

Martin Scorsese

Merrill Markoe

Betty White

Bono

Bob Costas

Ben Lowy

Jonah Hill

Ralph Fiennes

Ed Gillespie

Anne Burrell

Lawrence Lessig

Melody Barnes

Matt Damon

Charles Barkley

Elizabeth Dowling Taylor

Craig Shirley

George Lucas

Andrew Napolitano

Jim DeMint

Dolly Parton

Jodi Kantor

Liam Neeson

Joe Nocera

Elizabeth Banks

Kathleen Sebelius

Elizabeth Warren

Paula Broadwell

Tilda Swinton

Lou Dobbs

Jonathan Macey

Brad Pitt

David Agus

Ali Soufan

Ricky Gervais

Louise Slaughter

Arne Duncan

Alan Huffman & Michael Rejebian

Russ Feingold

Bruce Bartlett

Paul Rudd

Neil deGrasse Tyson

Stephen Merchant

Masha Gessen

M. Cathleen Kaveny

Shaun Donovan

Julianne Moore

Cecile Richards

Trita Parsi

Grover Norquist

Will Ferrell

Rachel Weisz

No Guest

Shaquille O'Neal

Maria Goodavage

Ahmed Rashid

Rachel Maddow

Mohamed Nasheed

Thomas C. Goldstein

Jack L. Goldsmith

Anthony Bourdain

Tim Weiner

Elon Musk

Ricky Gervais

Esperanza Spalding

Jane Goodall

Julia Louis-Dreyfus

Robert Reich

Judy Smith

Ben Rattray

Madeleine Albright

Jason Segel

Robert Draper

Zach Wahls

David Barton

Tom Coburn

Peter Bergen

Admiral General Aladeen

Ivo Daalder

John R. Hall

Robert Caro

Michelle Obama

Dan Rather

Jim Parsons

Thomas Mann & Norman Ornstein

Gary Johnson

Michael Fassbender

Edward Conard

Boris Johnson

Colin Powell

Maggie Gyllenhaal

Catherine Zeta-Jones

Parmy Olson

Denis Leary

Steve Carell

Bassem Youssef

Marco Rubio

Seth MacFarlane

Andrew Garfield

Tenacious D

Louis C.K.

Victor Cruz

Sigourney Weaver

E.J. Dionne

Fareed Zakaria

Matthew McConaughey

Joseph Stiglitz

Zach Galifianakas & Will Ferrell

Rashida Jones

Dambisa Moyo

Fred Guterl

Jessica Biel

Tim Gunn

Saima Wahab

Chris Rock

Joanna Brooks

Robert Pattinson

Misty May-Treanor

Brian Williams

Rob Corddry

Marco Rubio

Herman Cain

Michael Steele

GOP Convention 2012: Friday

Tom Brokaw

Kirsten Gillibrand

Austan Goolsbee

DNC Friday

Kofi Annan

Salman Rushdie

Pink

Bill Clinton

King Abdullah II

Olivia Wilde

Amar'e Stoudemire