Tim Pawlenty

Former Governor of Minnesota; Former Republican Presidential Candidate; Political Commentator

Al Franken

Former Senator from Minnesota; Former SNL Writer; SiriusXM Radio Show Host

Peter Orszag

Economist, Vice Chairman of Corporate and Investment Banking at Citigroup, Inc. & Former Director of the Office of Management and Budget in the Obama Administration

Bill Maher

Political Satirist & Host of HBO's "Real Time"

Bernie Sanders

U.S. Senator, Vermont; Longest Serving Independent Member of Congress in American History; 2016 & 2020 Presidential Candidate

Chuck Schumer

Senior U.S. Senator from New York & Senate Minority Leader

Michael Bennet

US Senator for Colorado

Barbara Boxer

Former Democratic Senator of California

Michael Bloomberg

Former 2020 Democratic Presidential Candidate & Mayor of New York City; Founder of Bloomberg LP & Bloomberg Philanthropies

Rahm Emanuel

First Jewish Mayor of Chicago & Former White House Chief of Staff

Harry Shearer

Actor and Comedian; Known for "The Simpsons" and "Spinal Tap"

Ed Rendell

Former Governor of Pennsylvania; NBC News Political Analyst & Author

Michael Oren

Israel's Ambassador to the U.S. From 2009-2013 and Author of New York Times Best Seller "Ally"

Ari Fleischer

Former White House Press Secretary

Lewis Black

Stand-Up Comedian, Actor and Author; Former Correspondent on "The Daily Show"

Robert E. Rubin

Former U.S. Treasury Secretary & Chair of the Council on Foreign Relations; Senior Counselor at Centerview Partners

Barney Frank

Former U.S. Congressman & Chairman of the House Financial Services Committee

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

Joseph Stiglitz

American Economist, Professor at Columbia University & Nobel Memorial Prize in Economic Sciences 2001

Jon Stewart

Talk Show Host, Comedian & Producer

Jon Stewart will return to ‘The Daily Show’ as host — just on Mondays

Howard Schultz

Executive Chairman & Former CEO of Starbucks; Former Owner of the Seattle SuperSonics

Howard Schultz on Leadership - YouTube

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

Ralph Nader

Consumer Advocate, Lawyer & Author; Former Independent Presidential Candidate

Bernard Goldberg

Emmy-award Winning Broadcast Journalist; Author of Five New York Times Bestselling Books; Correspondent on HBO's "Real Sports"

Richard Dreyfuss

Academy Award-Winning Actor

Alan Dershowitz

Harvard Law School Professor; Leading Expert in Civil Rights

Stephen Coleman

Stephen Coleman studies applied ethics, particularly the ethics of military and police force, and their application to human rights.

His Excellency Mikheil Saakashvili

Governor of Ukraine's Odessa Oblast, former President of Georgia

Namik Tan

Ambassador of Turkey to the United States in February 2010

Marco Rubio

Senior U.S. Senator from Florida