Sen. Dean Heller, Nevada Republican, talks to the media after winning re-election to the Senate over Rep. Shelley Berkley, his Democratic challenger, on Wednesday, Nov. 7, 2012, in Las Vegas. At right is his wife, Lynne. (AP Photo/Julie Jacobson)

Photo by: Julie Jacobson

Sen. Dean Heller, Nevada Republican, talks to the media after winning re-election to the Senate over Rep. Shelley Berkley, his Democratic challenger, on Wednesday, Nov. 7, 2012, in Las Vegas. At right is his wife, Lynne. (AP Photo/Julie Jacobson)