Challenges of the Leaders Summit on Climate: Mark Jacobson / Professor of Civil and Environmental Engineering, Stanford UniversityTackling Climate Change: Mark Jacobson / Professor of Civil and Environmental Engineering, Stanford UniversityVaccinations - The Global Response to COVID-19 a Year On: Akiko Iwasaki / Professor of Immunobiology, Yale University / Howard Hughes Medical InstituteWhat Will Our Post-Pandemic Future Look Like?: Akiko Iwasaki / Professor of Immunobiology, Yale University / Howard Hughes Medical InstituteImpacts of US Withdrawal from Afghanistan: Cheryl Benard / Political Analyst, President of Alliance for the Restoration of Cultural HeritageWhat Does US Withdrawal Mean to People in Afghanistan?: Cheryl Benard / Political Analyst, President of Alliance for the Restoration of Cultural HeritageChina's Challenge to US Dominance in Space Exploration: Michio Kaku / Theoretical Physicist, Professor at The City College of New YorkFuture of Space Exploration: Michio Kaku / Theoretical Physicist, Professor at The City College of New YorkWill the Right to Abortion Be Overturned in the U.S.?: Mary Ziegler / Professor, Florida State UniversityPower to Rollback Abortion Rights around the World: Mary Ziegler / Professor, Florida State UniversityHow Do We Cope with Coronavirus Variants?: Caleb Alexander / Professor of Epidemiology and Medicine, Johns Hopkins Bloomberg School of Public HealthThe New Alzheimer's Drug - Are We Closer to a Cure?: Caleb Alexander / Professor of Epidemiology and Medicine, Johns Hopkins Bloomberg School of Public HealthShohei Ohtani, Making Inroads in America: Jeff Fletcher / National Baseball Writer and Chairman of LA Chapter of the Baseball Writers Association of AmericaTackling Gun Violence during the Pandemic: Robert Spitzer / Political Science Professor, State University of New York CortlandSeeking a Breakthrough on Gun Control: Robert Spitzer / Political Science Professor, State University of New York CortlandBroadway's Long-Awaited Return: Lee Seymour / Theater Producer, Writer, Senior Contributor for Forbes MagazineDealing with Afghanistan Under the Taliban: Richard Fontaine / Chief Executive Officer, Center for a New American SecurityReaffirming America's Credibility and Leadership: Richard Fontaine / Chief Executive Officer, Center for a New American SecurityHow Can We Adapt to Climate Change?: Alice Hill / David M. Rubenstein Senior Fellow for Energy and Environment, Council on Foreign RelationsClimate Change as a Global Security Threat: Alice Hill / David M. Rubenstein Senior Fellow for Energy and Environment, Council on Foreign RelationsImpact of Racial Diversity in Media: Eddie Glaude Jr. / Professor of African American Studies, Princeton UniversityHow Should We Regulate Social Media?: Jack Balkin / Professor of Law, Yale University