Complex sentence: Fletcher's position cost him the support of the Kentucky Medical Association; after contributing to his campaign against Scorsone in 1998, the KMA backed Scotty Baesler's bid to regain his old seat from Fletcher in 2000.
Split into simpler sentences: Fletcher's position cost him the support of the Kentucky Medical Association (KMA). After contributing to his campaign against Scorsone in 1998, KMA backed Scotty Baesler's bid to regain his old seat from Fletcher in 2000.