Complex sentence: He was the administrator of the Small Business Administration from 1987 to 1989, and served in an advisory capacity for John Thune's successful unseating of Dascle in the 2004 elections.
Split into simpler sentences: He was the administrator of the Small Business Administration from 1987 to 1989. He served in an advisory capacity for John Thune's successful unseating of Dascle in the 2004 elections.