"John Randolph Thune (born January 7, 1961) is the senior United States Senator from South Dakota and a member of the Republican Party. He previously served as a United States Representative for South Dakota's at-large congressional district. He became South Dakota's Senior senator with the retirement of Tim Johnson in 2015."@en . . "1961Z"^^ . "John Thune"@en . "Chairman of the Senate Republican Conference" . . "Thune, John"@en . . . . . . . . . . . . . . . . . . "United States Senator from South Dakota" . . . "Chairman of theSenate Commerce Committee" . . "1961-01-07Z"^^ . . . .