(born January 6, 1947), is an American politician and member of the Democratic Party from the U.S.
state of Louisiana.
Since 2003, he has been a member of the Louisiana Public Service Commission.
He served in the Louisiana State Senate from 1976 to 2002.
He was an unsuccessful candidate for governor in the 2007 election against Republican Bobby Jindal.
He ran unsuccessfully for the United States House of Representatives for Louisiana's 4th congressional district three times: in 1980, 1988, and 1990.
In 2016, he was an unsuccessful candidate for the open U.S.
Senate seat vacated by incumbent Republican David Vitter.
In 2012, Campbell became chairman of the five-member Public Service Commission.
He was re-elected to a third term on the Commission in 2014.