John Yoo is the Emanuel Heller professor of law at UC Berkeley and a visiting scholar at the American Enterprise Institute. He is the author of Point of Attack: Preventive War, International Law, and Global Welfare (2014), as well as several books addressing presidential power, national security, and the Constitution: Taming Globalization (2012); Confronting Terror (2011); Crisis and Command (2010); War by Other Means (2006); and The Powers of War and Peace (2005). Yoo has published numerous scholarly articles in the nations leading law journals and is a regular contributor to The Wall Street Journal, New York Times, Washington Post, Los Angeles Times, National Review, and The Weekly Standard. He has served in all three branches of government, including as an official in the Office of Legal Counsel of the U.S. Department of Justice, as general counsel of the Senate Judiciary Committee, and as a law clerk for Justice Clarence Thomas of the U.S. Supreme Court.
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The NSA programs do not violate the Fourth Amendment, as currently interpreted by the federal courts.
In general, when we reveal private information to a third party, we lose privacy rights over it.