Emmy Award-Winning Journalist & Investigative Reporter; Co-Anchor on ABC News' "20/20"
Elizabeth Vargas On Overcoming Anxiety And Addiction | NBC News
Managing director, Rockefeller Foundation and Former Senior Editor, The Economist
Founder of Life Edited & TreeHugger.com
Professor of Politics, New York University
Senior Economic Advisor at Open Society Foundation
Global Diplomat, Peace Negotiator & Leadership Expert; Former Senate Majority Leader Who Enjoyed Bipartisan Respect
Professor of Economics at New York University; Co-Director, Development Research Institute