ICYMI: Russia, China, and Iran: The Future of Global Energy in a World at War

Both the U.S. and Iran are choking off the Strait of Hormuz, a crucial conduit for 20% of the world's oil and natural gas. As energy costs surge, Daniel Yergin is sounding the alarm about the global economy and noting how Russia and China profit from the crisis. Yergin, who is Vice President of S&P Global and a leading authority on energy and economics, explains to Walter Isaacson what might lie ahead.