Difficult times often offer the chance to solve some of our most challenging problems. How can we recognize these opportunities to move our businesses, our economies, and our world forward in a sustainable manner? Chrystia Freeland Global Editor-at-large, Reuters James Wolfensohn Chairman, Wolfensohn & Company, LLC Nouriel Roubini Chairman & Co-founder, Roubini Global Economics Ted Turner Chairman, United Nations Foundation Tom Brokaw Special Correspondent, NBC News Mikkel Vestergaard CEO, Vestergaard Frandsen Group Google Zeitgeist is a collection of talks by people who are changing the world. Hear entrepreneurs, CEOs, storytellers, scientists, and dreamers share their visions of how we can shape tomorrow.