It would require a constitutional amendment for Congress.
U.S. Senator (REP) Percent Votes DEAKIN, JIM (REP) 11.45% 42,388 HAYWORTH, J.D. (REP) 30.17% 111,736 MCCAIN, JOHN (REP) 58.15% 215,345 Write-in (REP) 0.23% 857 370,326