Outgoing Democratic Gov. Edwin Edwards (left) outside the Capitol in Baton Rouge, La., in 1980 during inaugural ceremonies for the newly elected Republican, Dave Treen (right). Treen was Louisiana’s first Republican governor in more than 100 years.

Outgoing Democratic Gov. Edwin Edwards (left) outside the Capitol in Baton Rouge, La., in 1980 during inaugural ceremonies for the newly elected Republican, Dave Treen (right). Treen was Louisiana’s first Republican governor in more than 100 years.