Buddy Roemer, who rode a message of reform in the 1987 governor’s race to vault over three challengers and “slay the dragon” — scandal-torn three-time Gov. Edwin Edwards — but who lost reelection four years later to the same rival, died Monday in Baton Rouge. Roemer was 77. He had been ill for months. Roemer was a Democrat-turned-Republican, but he seemed too independent and headstrong to fit well in either party. He never followed the precept that to get ahead in politics, you had to get along with other politicians. With his sharp mind, he understood all the angles of...