For nine years, Graves was a legislative aide to former U.S. Representative [[Billy Tauzin]] of Louisiana's 3rd congressional district. He and the U.S. House Committee on Energy and Commerce, of which Tauzin served as chairmam.<ref name=conflict/> In 2005, he became an aide for the United States Senate Committee on Commerce, Science and Transportation under then Republican [[U.S. Senator]] [[David Vitter]]. He also worked for Democratic former U.S. Senator [[John Breaux]], a protege of his later opponent, Edwin Edwards.<ref name=nov4/> He was the chief legislative aide to the U.S. Senate Committee on Environment and Public Works.<ref name=resign/> | For nine years, Graves was a legislative aide to former U.S. Representative [[Billy Tauzin]] of Louisiana's 3rd congressional district. He and the U.S. House Committee on Energy and Commerce, of which Tauzin served as chairmam.<ref name=conflict/> In 2005, he became an aide for the United States Senate Committee on Commerce, Science and Transportation under then Republican [[U.S. Senator]] [[David Vitter]]. He also worked for Democratic former U.S. Senator [[John Breaux]], a protege of his later opponent, Edwin Edwards.<ref name=nov4/> He was the chief legislative aide to the U.S. Senate Committee on Environment and Public Works.<ref name=resign/> |