Erick Erickson

Riley Crane

Capt. Charles Moore

James Fowler

Mon, Jan 11, 2010

Raj Patel

Wed, Jan 13, 2010

Emily Pilloton

Stephen Bosworth

Dick Ebersol

John Farmer

Kati Marton

Mika Brzezinski

Arthur Benjamin

David Gergen

Nicole Detling Miller, Jessica Smith, Harold Ford Jr.

Eliot Spitzer

Peter Cove, John Durant

Henry Louis Gates

Jonathan Safran Foer

George Stephanopoulos

Claire Danes

Al Michaels, David Ross

Shaun White

Lindsey Vonn, Bob Costas

Scott Hamilton, Jeret Peterson, Ryan St. Onge

Shani Davis, Seth Wescott

Don Cheadle

David Brooks

Scheherazade Rehman, Garry Wills

Barry Schwartz

Tom Hanks

Annie Leonard

Sean Carroll

David Aaronovitch

Robert Baer

Rebecca Skloot

Nell Irvin Painter

Mary Matalin

Claire McCaskill

Simon Johnson

Craig Mullaney

David Frum, Judith Shulevitz

Dean Kamen

Reverend Al Sharpton

David Simon

Neil DeGrasse Tyson

Jeffrey Toobin, Julian Assange

Jon Mooallem

David Shields

Aimee Mullins

Andrew Ross Sorkin, George Will

Jeffrey Katzenberg

Craig Robinson

Gorillaz

Sharon Jones and the Dap-Kings

Conn Iggulden

Gregg Easterbrook

OK Go

Elizabeth Warren

Michael J. Fox, Mark W. Moffett

David Isay

Stewart Brand

Gary Johnson

Hampton Sides

Deepak Chopra

The Hold Steady

Ayaan Hirsi Ali

Lisa Miller

Vampire Weekend

James Carville, Jonathan Alter

Mark Frauenfelder

Amb. Michael Oren, Sen. Sam Nunn

Alan Bean

Stephen Prothero

Dr. Carl Safina

Devo

David Mamet

Wes Moore

Gloria Steinem

Tim Westergren

Michael Specter

Michael Hastings, John Waters

Mayor Julian Castro

Nicholas Carr

Manny Howard

Paul Krugman, Dr. Michio Kaku

Garret Keizer

Steve Carell

Arturo Rodriguez

Hephzibah Anderson

Thomas S. Blanton, Kevin Kline

Elon Musk

Andy Cohen

Jimmy Cliff

Laura Ingraham

Michael Posner

Savion Glover

Dylan Ratigan

David Finkel

Chuck Close

Richard Clarke, John Fetterman

Barry Levine

Thomas French

Jon Krakauer

Leslie Kean

Jeffrey Goldberg

Andrew Hacker, Heidi Cullen

Richard Engel

Anthony Romero

Vice President Joe Biden, Gen. Raymond Odierno

Sen. Jim Webb, Joshua Bleill, Lt. Col. Brent Cummings, John Legend

Lisa Birnbach

Sean Wilentz

Saul Griffith

Lawrence O'Donnell

Pavement

Eric Schmidt

Guillermo Del Toro

Oscar Goodman

Ken Burns

Paul Begala, Ross Douthat

Steve Rattner

Aaron Sorkin

Eugene Robinson

Leon Botstein

Mavis Staples and Jeff Tweedy

Davis Guggenheim

Robert Reich

Brendan Steinhauser

Austan Goolsbee

Bill Bryson

Nicholas Negroponte

Garry Wills

Rep. Tom Perriello, Apolo Anton Ohno

Maira Kalman

Jonathan Alter

Katrina vanden Heuvel, David Frum

Doris Kearns Goodwin

Elvis Costello

Reza Aslan

Cee-Lo Green

Martha Stewart

Quincy Jones

David Stern

John Legend

Ian Frazier

Staff Sgt. Salvatore Giunta

Dan Savage

Tom Vilsack

Michelle Rhee

David Stockman

Garry Trudeau

Julie Nixon Eisenhower & David Eisenhower

Steve Martin

Julie Taymor

Patti Smith

David Boies, Stephen Sondheim

Omar Wasow, Laird Hamilton

Amy Sedaris, Paul Simon