Jessica Ebelhar/Las Vegas Review-Journal This file photo shows then-U.S. Sen. John Ensign, R-Nevada, addressing the Nevada Legislature at the State Legislative Building on Tuesday, Mar. 22, 2011, …

Jessica Ebelhar/Las Vegas Review-Journal
This file photo shows then-U.S. Sen. John Ensign, R-Nevada, addressing the Nevada Legislature at the State Legislative Building on Tuesday, Mar. 22, 2011, in Carson City.