High Quality Content by WIKIPEDIA articles! Robert Laurence "Bob" Barr, Jr. (born November 5, 1948) is a former federal prosecutor and a former member of the United States House of Representatives. He represented Georgia's 7th congressional district as a Republican from 1995 to 2003. Barr attained national prominence as one of the leaders of the impeachment of President Bill Clinton. Barr joined the Libertarian Party in 2006, and served on its National Committee. He was the Libertarian Party nominee for President of the United States in the 2008 election. He is also noted for his austere demeanour.