Richard Tafel

Founder, Log Cabin Republicans and Public Squared

Robert Menendez

U.S. Senator, (D) New Jersey

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

Michael Walzer

Professor Emeritus, The Institute for Advanced Study

Leif Pagrotsky

Member of Parliament, Sweden

Richard Dowden

Director, Royal African Society

David Rieff

Author, Journalist

Dale Jamieson

Professor, New York University

Jacob Appel

Bioethicist and Writer

Brian Hoffstein

Contributing Writer

Cody Adams

Managing Editor of The Floating University.

Slavoj Žižek

Philosopher & International Director of the Birkbeck Institute for the Humanities

Robert Greene

New York Times Bestselling Author of "The 48 Laws of Power," "The Art of Seduction," "The 33 Strategies of War," and "The 50th Law"

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Vali Nasr

Professor of International Affairs & Middle East Studies at Johns Hopkins University

Islamic Leviathan: Islam and the Making of State Power (Religion and Global Politics)

General Wesley Clark

Retired Four-Star Army General & Former NATO Supreme Allied Commander

Jimmy Wales

Founder of Wikipedia & Wikitribune

Parag Khanna

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

Robert Hormats

Vice Chairman of Kissinger Associates Inc.

Ricky Gervais

Award-Winning English Comedian & Actor; Known for "The Office" and "Extras"

Sophal Ear

Leading Researcher on Post-Crisis Nations

Alan Dershowitz

Harvard Law School Professor; Leading Expert in Civil Rights

Sir Richard Branson

Businessman & Founder of Virgin Group

Kevin Bales

Professor of Contemporary Slavery, & Research Director of the Rights Lab at the University of Nottingham; Co-Founder of Free the Slaves

C. Raj Kumar

Professor and Vice Chancellor, O.P. Jindal Global University; Dean, Jindal Global Law School

Margot Wallström

Minister For Foreign Affairs, Sweden; Former U.N. Special Representative on Sexual Violence in Conflict

Gideon Rose

Editor of "Foreign Affairs"; Member of the Council on Foreign Relations

Sasan Sam Shoamanesh

Sam Sasan Shoamanesh is co-founder and editor of Global Brief. He is a SPILS fellow at Stanford University.

Michael Idov

Writer, New York Magazine; Editor-in-Chief, RUSSIA!