Former Wisconsin Sen. Russ Feingold has announced his candidacy for Senate in 2016. That will set up a rematch with teahadist Republican Ron "Small" Johnson, which Feingold lost in a Teabagger wave, off-year election in 2010. Johnson was one of 47
Johnson is one of the most vulnerable Republican Senators going into 2016, so you can expect massive infusions of plutocrat dark money and smear ads to counter Feingold's edge with the voters, who have another chance to correct the mistake of 2010.