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. (AP Photo/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)
Dina Titus, D-Nev., speaks to supporters after wining the 1st Congressional District, Democratic House seat now held by Shelley Berkley, against opponent Chris Edwards, Tuesday, Nov. 6, 2012, at the Mandalay Bay Resort and Casino in Las Vegas. (AP Photo/John Gurzinski)
Nevada Sen. Dean Heller, left, shares a moment with his wife, Lynne Heller after speaking to the media about his win over challenger Rep. Shelley Berkley, D-Nev. to be re-elected to the Senate, Wednesday, Nov. 7, 2012, in Las Vegas. (AP Photo/Julie Jacobson)
Rep. Shelley Berkley, D-Nev. heads to an early voting location to vote, Thursday, Oct. 25, 2012, in Las Vegas. Interest in this year's election is being driven by races between President Barack Obama and Mitt Romney, and U.S. Sen. Dean Heller, R-Nev., and his Democratic challenger, Berkley. (AP Photo/Julie Jacobson)
Rep. Shelley Berkley, D-Nev. heads to an early voting location to vote, Thursday, Oct. 25, 2012, in Las Vegas. Interest in this year's election is being driven by races between President Barack Obama and Mitt Romney, and U.S. Sen. Dean Heller, R-Nev., and his Democratic challenger, Berkley. (AP Photo/Julie Jacobson)
Rep. Shelley Berkley, D-Nev. heads to an early voting location to vote, Thursday, Oct. 25, 2012, in Las Vegas. Interest in this year's election is being driven by races between President Barack Obama and Mitt Romney, and U.S. Sen. Dean Heller, R-Nev., and his Democratic challenger, Berkley. (AP Photo/Julie Jacobson)
The House Ethics Committee will appoint a panel to determine whether Rep. Shelley Berkley of Nevada violated House ethics rules. (Associated Press)
The House Ethics Committee will appoint a panel to determine whether Rep. Shelley Berkley of Nevada violated House ethics rules. (Associated Press)
