Republican challenger Rudolph Ely "Rudy" Boschwitz defeated what Democratic incumbent in the 1978 United States Senate election in Minnesota?
United States Senate election in Minnesota, 1978: The 1978 United States Senate election in Minnesota was held on November 7, 1978. United States Senate election in Minnesota, 1978:  Incumbent Democratic U.S. Senator Wendell Anderson was defeated by Republican challenger Rudy Boschwitz. Rudy Boschwitz: Rudolph Ely "Rudy" Boschwitz (born November 7, 1930) is a former Independent-Republican United States Senator from Minnesota.
Wendell Anderson