The others: Buddy Roemer (D) in 1987, Dave Treen (R) in 1979, and Edwin Edwards (D) in 1971.

NPR: As Louisiana Goes R, Kentucky Leans D

That is the Edwin Edwards Louisiana has come to expect.

ECONOMIST: Louisiana politics

Roemer, then a Democratic congressman, was one of a crowded field of challengers to Edwin Edwards, the colorful, corrupt longtime governor (Edwards, now 84, was recently released from federal prison after serving 10 years for racketeering).

FORBES: Buddy Roemer and the Possibility of Political Reform