Republican U.S. Senate candidate Pete Hoekstra stands with his wife, Diane, while giving a concession speech, Tuesday, Nov. 6, 2012, in Grand Rapids, Mich. Incumbent Democrat Debbie Stabenow was elected to a third term. (AP Photo/Al Goldis)

Photo by: Al Goldis

Republican U.S. Senate candidate Pete Hoekstra stands with his wife, Diane, while giving a concession speech, Tuesday, Nov. 6, 2012, in Grand Rapids, Mich. Incumbent Democrat Debbie Stabenow was elected to a third term. (AP Photo/Al Goldis)