Question: What is the name of the international exchange program established by this Democrat whom  Charles T. Bernard famously ran against in the Senate race as Republican nominee in 1968?

full_context: Document 1: List of places named after Robert Byrd: United States Senator Robert C. Byrd (November 20, 1917 – June 28, 2010) represented the U.S. state of West Virginia as a Democrat in the United States Senate. During his tenure as chairman of the United States Senate Committee on Appropriations, Byrd secured billions of dollars of Federal funds for projects throughout West Virginia, many of which bear his name. Byrd served four terms as Chairman of the Senate Appropriations Committee: January 3, 1989 through January 3, 1995; January 3, 2001 through January 20, 2001; June 6, 2001 through January 3, 2003; and January 3, 2007 through January 3, 2009. As a New Deal Democrat, Byrd used his position as chairman to battle persistent poverty in his home state of West Virginia, which he referred to as “one of the rock bottomest of states.” "I lost no opportunity to promote funding for programs and projects of benefit to the people back home," said Byrd.“ Within two years of his chairmanship, Byrd surpassed his announced five-year goal of making sure more than $1 billion in Federal funds was sent back to West Virginia. In referring to his economic contributions to West Virginia, Byrd said in 2000, "West Virginia has always had four friends: God Almighty, Sears Roebuck, Carter's Liver Pills and Robert C. Byrd."
Document 2: United States Senate election in Tennessee, 1976: The 1976 United States Senate election in Tennessee took place on November 2, 1976. Incumbent Republican U.S. Senator Bill Brock ran for re-election to a second term, but was defeated by Democratic challenger James Sasser.
Document 3: Eugene McCarthy: Eugene Joseph McCarthy (March 29, 1916December 10, 2005) was an American politician, poet, and a long-time Congressman from Minnesota. He served in the United States House of Representatives from 1949 to 1959 and the United States Senate from 1959 to 1971. McCarthy sought the Democratic nomination in the 1968 presidential election, challenging incumbent Lyndon B. Johnson on an anti-Vietnam War platform. McCarthy would unsuccessfully seek the presidency five times altogether.
Document 4: Charles H. Percy: Charles Harting Percy (September 27, 1919 – September 17, 2011), known as Chuck Percy, was an American businessman and politician. He was president of the Bell & Howell Corporation from 1949 to 1964. In 1966, he was elected to the United States Senate from Illinois as a Republican; he served for three terms (18 years) until 1985, when he was defeated by Paul Simon. He was mentioned as a GOP presidential hopeful from 1968 through 1988. During his Senate career, Percy concentrated on business and foreign relations.
Document 5: Ernest Hollings: Ernest Frederick "Fritz" Hollings (born January 1, 1922) served as a Democratic United States Senator from South Carolina from 1966 to 2005. He was also the 106th Governor of South Carolina and the 77th Lieutenant Governor of South Carolina. He served alongside Republican Senator Strom Thurmond for 36 years, making them the longest-serving Senate duo in history. At the age of 95 , he is currently the oldest living U.S. Senator.
Document 6: United States Senate election in Arizona, 1958: The 1958 United States Senate elections in Arizona took place on November 4, 1958. Incumbent Republican U.S. Senator Barry Goldwater ran for reelection to a second term, and defeated former U.S. Senator, and then-Governor, Ernest McFarland in the general election. The election was a virtual rematch from 1952, where Goldwater defeated McFarland by a narrow margin. Goldwater had attributed the win to the unpopularity of President Harry S. Truman and popular Wisconsin Senator Joseph McCarthy endorsing his campaign.
Document 7: United States Senate election in Illinois, 1966: The 1966 United States Senate election in Illinois took place on November 8, 1966. Incumbent Democratic United States Senator Paul Douglas, seeking a fourth term in the United States Senate, faced off against Republican Charles H. Percy, a businessman and the 1964 Republican nominee for Governor of Illinois. A competitive election ensued, featuring campaign appearances by former Vice-President Richard M. Nixon on behalf of Percy. Ultimately, Percy ended up defeating Senator Douglas by a fairly wide margin, allowing him to win what would be the first of three terms in the Senate.
Document 8: Joseph McCarthy: Joseph Raymond McCarthy (November 14, 1908 – May 2, 1957) was an American politician who served as U.S. Senator from the state of Wisconsin from 1947 until his death in 1957. Beginning in 1950, McCarthy became the most visible public face of a period in the United States in which Cold War tensions fueled fears of widespread Communist subversion. He is known for alleging that numerous Communists and Soviet spies and sympathizers had infiltrated the United States federal government, universities, film industry, and elsewhere. Ultimately, the smear tactics he used led him to be censured by the U.S. Senate. The term "McCarthyism", coined in 1950 in reference to McCarthy's practices, was soon applied to similar anti-communist activities. Today, the term is used in reference to what are considered demagogic, reckless, and unsubstantiated accusations, as well as public attacks on the character or patriotism of political opponents.
Document 9: Charlie Summers: Charles E. "Charlie" Summers, Jr. (born December 26, 1959) is an American politician, businessman, Iraq War veteran and member of the Republican Party from the state of Maine. A member of the Maine Senate from 1991 to 1995, Summers ran for the Republican nomination for Maine's 1st congressional district in 1994, coming second in the primary. He was the nominee for the same seat in 2004 and 2008, losing on each occasion to the Democratic candidate. From 2011 to 2013 served as the Secretary of State of Maine. He was the Republican nominee for the U.S Senate to succeed the retiring Republican Olympia Snowe in the 2012 election, but lost to former Independent Governor Angus King.
Document 10: Charles T. Bernard: Charles Taylor Bernard, Sr. (September 10, 1927 – June 27, 2015) was an American businessman and politician originally from Earle in Crittenden County in eastern Arkansas. He is best known as the 1968 Republican nominee for the United States Senate seat held by long-time Democrat J. William Fulbright of Fayetteville.
Document 11: Robert Byrd: Robert Carlyle Byrd (born Cornelius Calvin Sale Jr.; November 20, 1917June 28, 2010) was a United States Senator from West Virginia. A member of the Democratic Party, Byrd served as a U.S. Representative from 1953 until 1959 and as a U.S. Senator from 1959 to 2010. He was the longest-serving Senator in United States history. In addition, he was, at the time of his death, the longest-serving member in the history of the United States Congress, a record later surpassed by Representative John Dingell of Michigan. Byrd was the last remaining member of the U.S. Senate to have served during the presidency of Dwight Eisenhower, and the last remaining member of Congress to have served during the presidency of Harry Truman. Byrd is also the only West Virginian to have served in both houses of the state legislature and both houses of Congress.
Document 12: Kit Bond: Christopher Samuel "Kit" Bond (born March 6, 1939) is a former United States Senator from Missouri and a member of the Republican Party. First elected to the U.S. Senate in 1986, he defeated Democrat Harriett Woods by a margin of 53%–47%. He was re-elected in 1992, 1998, and 2004. On January 8, 2009, he announced that he would not seek re-election to a fifth term in 2010, and was succeeded by current Senator Roy Blunt on January 3, 2011. Following his retirement from the Senate, Bond became a partner at Thompson Coburn.
Document 13: J. William Fulbright: James William Fulbright (April 9, 1905 – February 9, 1995) was a United States Senator representing Arkansas from January 1945 until his resignation in December 1974. Fulbright is the longest serving chairman in the history of the Senate Foreign Relations Committee. A Southern Democrat and a staunch multilateralist who supported the creation of the United Nations, he was also a segregationist who signed the Southern Manifesto. Fulbright opposed McCarthyism and the House Un-American Activities Committee and later became known for his opposition to American involvement in the Vietnam War. His efforts to establish an international exchange program eventually resulted in the creation of a fellowship program which bears his name, the Fulbright Program.
Document 14: Everett Dirksen: Everett McKinley Dirksen (January 4, 1896 – September 7, 1969) was an American politician of the Republican Party. He represented Illinois in the United States House of Representatives and the United States Senate. As Senate Minority Leader from 1959 to 1969, he played a highly visible and key role in the politics of the 1960s. He helped write and pass the Civil Rights Act of 1964 and the Civil Rights Act of 1968, both landmark pieces of legislation during the Civil Rights Movement. He was also one of the Senate's strongest supporters of the Vietnam War and was known as "The Wizard of Ooze" because of his flamboyant oratorical style.
Document 15: United States Senate election in Tennessee, 2006: The 2006 United States Senate election in Tennessee was held on November 7, 2006. The election winner, Bob Corker, served his term between January 3, 2007 and January 3, 2013. Corker replaced Republican Bill Frist in the Senate, who retired upon the end of his second term in 2007. Corker was the Republican nominee, and the Democratic nominee was Harold Ford, Jr.. The race between Ford and Corker was one of the most competitive Senate races of 2006, with Corker winning the race by less than three percent of the vote. Corker was the only non-incumbent Republican to win a U.S. Senate seat in 2006. Since 1994, the Republican Party has held both of Tennessee's Senate seats.
ground_truth: Fulbright Program