John YooJohn Yoo is a nonresident senior fellow at the American Enterprise Institute; Emanuel S. Heller Professor of Law at the University of California, Berkeley; and a visiting fellow at the Hoover Institution. He has worked in all three branches of governent, notably as an official in the US Department of Justice, where he worked on national security and terrorism issues after the September 11 attacks. He also served as general counsel of the US Senate Judiciary Committee under its chairman, Orrin Hatch of Utah. And he has been a law clerk for Supreme Court Justice Clarence Thomas and US Court of Appeals Judge Laurence Silberman. He is the author of several books, including Defender in Chief: Donald Trump's Fight for Presidential Power (St. Martin's, 2020), Point of Attack: Preventative War, International Law, and Global Welfare (Oxford University Press, 2014), Taming Globalization: International Law, the U.S. Constitution, and the New World Order (Oxford University Press, 2012), Crisis and Command: A History of Executive Power from George Washington to George W. Bush (Kaplan Publishing, 2010), War by Other Means: An Insider's Account of the War on Terror (Atlantic Monthly Press, 2006), and The Powers of War and Peace: The Constitution and Foreign Affairs after 9/11 (University of Chicago Press, 2005). Read More Read Less