Wiki:

" . . . Biden was first elected to the Senate in 1972, and became the sixth-youngest senator in U.S. history. He was re-elected to the Senate six times, and was the fourth most senior senator at the time of his resignation to assume the Vice Presidency in 2009. Biden was a long-time member and former chairman of the Foreign Relations Committee. He opposed the Gulf War in 1991, but advocated U.S. and NATO intervention in the Bosnian War in 1994 and 1995. Biden voted in favor of the resolution authorizing the Iraq War in 2002, but opposed the surge of U.S. troops in 2007. He has also served as chairman of the Senate Judiciary Committee, dealing with issues related to drug policy, crime prevention, and civil liberties, and led the legislative efforts for creation of the Violent Crime Control and Law Enforcement Act, and the Violence Against Women Act. He chaired the Judiciary Committee during the contentious U.S. Supreme Court nominations of Robert Bork and Clarence Thomas."

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https://en.wikipedia.org/wiki/Joe_Biden