is an American accountant, businessman, and politician serving as the senior United States senator from Wisconsin. A Republican, Johnson was first elected to the U.S. Senate in 2010, defeating Democratic incumbent Russ Feingold. He was reelected in 2016, defeating Feingold in a rematch. Wikipedia
Born: April 8, 1955 (age 67 years), Mankato, Minnesota, United States
Education: University of Minnesota (1977–1979), University of Minnesota (1977), more