After a single term as governor, Hansen ran for the U.S. Senate seat which was being vacated by the retiring Republican [[Milward Simpson]]. He won that election with just under 52 percent of the vote. In a fairly Republican year nationally, he defeated popular Representative at-large Teno Roncalio (1916–2003), a Democrat of [[Italy|Italian]] extraction. Hansen received 63,548 votes (51.8 percent); Roncalio, 59,141 (48.2 percent).<ref>''Congressional Quarterly's Guide to U.S. Elections,'' U.S. Senator from Wyoming, 1966.</ref> | After a single term as governor, Hansen ran for the U.S. Senate seat which was being vacated by the retiring Republican [[Milward Simpson]]. He won that election with just under 52 percent of the vote. In a fairly Republican year nationally, he defeated popular Representative at-large Teno Roncalio (1916–2003), a Democrat of [[Italy|Italian]] extraction. Hansen received 63,548 votes (51.8 percent); Roncalio, 59,141 (48.2 percent).<ref>''Congressional Quarterly's Guide to U.S. Elections,'' U.S. Senator from Wyoming, 1966.</ref> |