Answer: The correct answer is Phil Gramm.
Explanation: Gramm, who is from Texas, started off as a Democrat, and was elected to the House of Representatives in 1978. He was a member of the House Budget Committee but was removed from his position on the committee, resigned from Congress in 1983 and became a Republican. In 1984, Gramm was elected to the US Senate from Texas. He retired from the Senate in 2002.