Question: John Choon Yoo (born July 10, 1967) is a Korean-American attorney, law professor, and author, his best known for his opinions concerning the Geneva Conventions that attempted to legitimize the War on Terror by the United States,  is a metaphor of war referring to the international military campaign that was launched by the U.S. government after the September 11 attacks in the U.S. in what year?

<P0-S0> <ref name="Schmitt/slogan"> </ref> U.S. president George W. Bush first used the term ""war on terrorism"" on 16 September 2001, and then ""war on terror"" a few days later in a formal speech to Congress. <P0-S1>  In the latter speech, George Bush stated, "Our enemy is a radical network of terrorists and every government that supports them." <P0-S2>  The term was originally used with a particular focus on countries associated with al-Qaeda. <P0-S3> The War on Terror (WoT), also known as the Global War on Terrorism (GWOT), is a metaphor of war referring to the international military campaign that was launched by the U.S. government after the September 11 attacks in the U.S. in 2001. <P0-S4>  The term was immediately criticised by such people as Richard B. Myers, chairman of the Joint Chiefs of Staff, and more nuanced ones subsequently came to be used by the Bush administration to publicly define the international campaign led by the U.S.; it was never used as a formal designation of U.S. operations in internal government documentation. <SEP> <P1-S0> The War on Terror is the campaign launched by the United States of America in response to the September 11 attacks against organizations designated with terrorism. <P1-S1>  The campaign, whose stated objective was eliminating international terrorism, began in 2001. <P1-S2>  The following is a timeline of events linked to the War on Terror. <SEP> <P2-S0> Richard Reeve Baxter (14 February 1921 – 25 September 1980) was a widely published American jurist and from 1950 until his death the preeminent figure on the law of war. <P2-S1>  Baxter served as a judge on the International Court of Justice (1979–1980), as a professor of law at Harvard University (1954 - 1979) and as an enlisted man and officer in the U.S. Army (1942–46,1948–54). <P2-S2>  He is noted for consistently favoring moves that enhanced the protections afforded to those injured or threatened by armed conflict. <P2-S3>  Baxter authored the 1956 revision of the " U.S. Army Manual on the Law of Land Warfare " (FM27-10 ) and was a leading representative of the U.S. at the Geneva conferences that concluded the Protocols to the Geneva Conventions on the Laws of War. <P2-S4>  Baxter also, at the time of his death, was the preeminent scholar on the law of international waterways. <P2-S5>  He died of cancer one year into his term as a judge of the International Court of Justice. <SEP> <P3-S0>  He is best known for his opinions concerning the Geneva Conventions that attempted to legitimize the War on Terror by the United States. <P3-S1> John Choon Yoo (born July 10, 1967) is a Korean-American attorney, law professor, and author. <P3-S2>  Yoo is currently the Emanuel S. Heller Professor of Law at the University of California, Berkeley. <P3-S3>  Previously, he served as a political appointee, the Deputy Assistant U.S. Attorney General in the Office of Legal Counsel, Department of Justice (OLC), during the George W. Bush administration. <P3-S4>  He also authored the so-called Torture Memos, which concerned the use of what the Central Intelligence Agency called enhanced interrogation techniques including waterboarding.