By what margin was this former member of the United States House of Representatives beaten when he ran in the 2012 Michigan election for House of Representatives?
United States Senate election in Michigan, 2012:  Stabenow defeated Hoekstra by a landslide 21% margin and by almost one million votes. Pete Hoekstra: Pieter "Pete" Hoekstra ( ; born October 30, 1953) is a Dutch-American politician who is a former member of the United States House of Representatives, representing Michigan's 2nd congressional district from 1993 to 2011.
21%