Question: Clark Clifford was an American lawyer who served as political adviser to which president known for launching the Marshall Plan?

<P0-S0> The Judson Welliver Society is a bipartisan social club composed exclusively of former presidential speechwriters in the United States. <P0-S1>  The group is named after Judson C. Welliver, the "literary clerk" to President Warren Harding, usually credited as being the first presidential speechwriter. <P0-S2>  Group meetings are usually held after major presidential speeches, such as the State of the Union. <P0-S3>  Active members have included William Safire (a Nixon writer who often hosted meetings), Jack Valenti who was a veteran of the Johnson administration, Pat Buchanan (Nixon and Reagan), David Gergen (Nixon, Ford, Reagan, and Clinton), Tony Snow (speechwriter for George H. W. Bush and press secretary for George W. Bush), Michael Waldman (Clinton), George Stephanopoulos (Clinton), James Fallows (Carter), Chris Matthews (Carter), Hendrik Hertzberg (Carter), Anthony R. Dolan (Reagan), Michael Gerson (George W. Bush), and Clark Clifford, who wrote speeches for Harry Truman. <SEP> <P1-S0> Harry S. Truman (May 8, 1884December 26, 1972) was the 33rd President of the United States (1945–53), assuming that office upon the death of Franklin D. Roosevelt during the waning months of World War II. <P1-S1>  He is known for launching the Marshall Plan to rebuild the economy of Western Europe, for leading the Cold War against Soviet and Chinese communism by establishing the Truman Doctrine and NATO, and for intervening in the Korean War. <P1-S2>  In domestic affairs, he was a moderate Democrat whose liberal proposals were a continuation of Franklin Roosevelt's New Deal, but the conservative-dominated Congress blocked most of them. <P1-S3>  He used the veto power 180 times, more than any president since then, and saw 12 overridden by Congress; only Grover Cleveland and Franklin D. Roosevelt used the veto so often, and only Gerald Ford and Andrew Johnson saw so many veto overrides. <P1-S4>  He is also the only world leader to have ever used nuclear weapons in war, desegregated the U.S. Armed Forces, supported a newly independent Israel, and was a founder of the United Nations. <SEP> <P2-S0> Irene Bauer (20 March 1945 – 13 June 2016) was a Norwegian senior government official, Labour Party politician and feminist. <P2-S1>  She served as President of the Norwegian Association for Women's Rights from 1988 to 1990. <P2-S2>  She also served as a political adviser to the Parliamentary Group of the Labour Party and as the (politically appointed) Private Secretary (now known as Political Adviser) to Minister of Trade and Industry Finn Kristensen in 1989. <P2-S3>  She served as a Director in the Ministry of the Environment from 1997. <P2-S4>  She has also worked at the Ministry of Petroleum and Energy. <P2-S5>  She was the mother of the noted comedian Thomas Giertsen. <SEP> <P3-S0> Clark McAdams Clifford (December 25, 1906October 10, 1998) was an American lawyer who served as an important political adviser to Democratic Presidents Harry S. Truman, John F. Kennedy, Lyndon B. Johnson and Jimmy Carter. <P3-S1>  His official government positions were White House Counsel (1946–1950), Chairman of the President's Intelligence Advisory Board (1963–1968), and Secretary of Defense (1968–1969); Clifford was also influential in his role as an unofficial, informal presidential adviser in various issues. <P3-S2>  A successful Washington lawyer, he was known for his elite clientele, charming manners and impeccable suits.