| − | In 1991, Senator Bryan A. Poston, a businessman from Hornbeck first elected in 1964 and a son of previous Senator [[Charles M. Poston]], announced that he would not seek an eighth term in the Senate. Cain and a fellow Democratic House member, Allen Bradley of DeRidder, hence contested the open seat, which encompassed Calcasieu (seven precincts), Beauregard, Vernon, and Sabine parishes. Cain prevailed with 17,527 votes (56 percent) to Bradley's 13,947 (44 percent).<ref>Louisiana Secretary of State, Election Returns, September 27, 1986.</ref> | + | In 1991, Senator Bryan A. Poston, a businessman from Hornbeck first elected in 1964 and a son of previous Senator [[Charles M. Poston]], announced that he would not seek an eighth term in the Senate. Cain and a fellow Democratic House member, [[Allen Bradley]] of DeRidder, hence contested the open seat, which encompassed Calcasieu (seven precincts), Beauregard, Vernon, and Sabine parishes. Cain prevailed with 17,527 votes (56 percent) to Bradley's 13,947 (44 percent).<ref>Louisiana Secretary of State, Election Returns, September 27, 1986.</ref> |
| | In 1995, Cain defeated the Republican Marion Garland Anthony, 21,278 (73 percent) to 7,962 (27 percent).<ref>Louisiana Secretary of State, Election Returns, October 21, 1995.</ref> He was unopposed in 1999. | | In 1995, Cain defeated the Republican Marion Garland Anthony, 21,278 (73 percent) to 7,962 (27 percent).<ref>Louisiana Secretary of State, Election Returns, October 21, 1995.</ref> He was unopposed in 1999. |