In 1966, Garrett made a strong but losing primary race for the Louisiana Public Service Commission to fill the seat vacated by the election of [[John J. McKeithen]] as governor. He was defeated by McKeithen's interim appointee, [[John S. Hunt]]. At the time, there were only three PSC districts; the number was increased to five under the Louisiana Constitution of 1974. | In 1966, Garrett made a strong but losing primary race for the Louisiana Public Service Commission to fill the seat vacated by the election of [[John J. McKeithen]] as governor. He was defeated by McKeithen's interim appointee, [[John S. Hunt]]. At the time, there were only three PSC districts; the number was increased to five under the Louisiana Constitution of 1974. |