Kay Warren

Christian Author

Virginia Postrel

Author & Columnist; Writes on The Intersection of Commerce & Culture

Dalia Mogahed

President and CEO, Mogahed Consulting, LLC; Author, "Who Speaks for Islam?"

Stephen Breyer

Former Associate Justice of the Supreme Court of the United States

A look at Justice Stephen Breyer's career and opinions on the bench

Laurence Tribe

Carl M. Loeb University Professor at Harvard Law School & Author

Ingrid Newkirk

President, PETA

An Phung

Multimedia Journalist

Jimmy Wales

Founder of Wikipedia & Wikitribune

Kurt Andersen

Host of "Studio 360 from PRI and WNYC" & Author

Lawrence Summers

Professor & Former President of Harvard University; Former Secretary of the Treasury, Director of the National Economic Council, & Chief Economist of the World Bank

Sir Richard Branson

Businessman & Founder of Virgin Group

Robert Menendez

U.S. Senator, (D) New Jersey

Melissa Chiu

Museum Director, Asia Society

Amy Gutmann

United States Ambassador to Germany; Former President of UPenn

Tom Freston

Principal, Firefly3; Former CEO, Viacom Inc.

Kenneth Roth

Executive Director at Human Rights Watch

Gillian Caldwell

CEO of Global Witness

Patrick Byrne

Founder & CEO, Overstock.com

Steven Mazie

Associate Professor of Political Studies, Bard High School Early College

Cody Adams

Managing Editor of The Floating University.

Shashi Tharoor

Diplomat & Author; Former United Nations Under-Secretary-General

Gerry Adams

President, Sinn Fein

Moby

Musician, DJ, Photographer

Andrew Cohen

Founder, EnlightenNext

Calvin Trillin

Author, Columnist, Humorist & Political Satirist

Robert Thurman

International Authority on World Religions and Spirituality

Anna Deavere Smith

Award-Winning Actress, Playwright & Social Commentator

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Jacques Pépin

Master French Chef; Food Columnist; Cookbook Author Educator

Parag Khanna

Managing Partner at FutureMap; Strategic Advisor to Governments & Global Companies; Bestselling Author; TED Speaker