In the aftermath of Russia's invasion of Ukraine, European nations declared their intention to find alternatives to Russian natural gas. One nation that could become a strategically important supplier of gas to Europe is the United States, which has more gas than it can use thanks to the exploitation of its shale gas reserves. Energy economist Morgan Bazilian, director of the Payne Institute for Public Policy and professor of public policy at the Colorado School of Mines explains the implications and limitations of U.S. gas exports.