Johnson is running for re-election, being challenged again by Feingold.
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Johnson ran for re-election, being challenged again by Feingold. Feingold was widely expected to win as he consistently led in the polls and raised more money than Johnson. However, in a surprise upset, Johnson won the election.<ref>Meyer, Theodoric (November 9, 2016). [http://www.politico.com/story/2016/11/johnson-feingold-wisconsin-senate-race-2016-election-results-231027 Johnson upsets Feingold to keep Wisconsin Senate seat]. ''Politico''. Retrieved November 9, 2016.</ref>