Senator John Ensign, Republican of Nevada, resigned as chairman of the Senate Republican Policy Committee, after an affair with a campaign staffer. “I came back home to Nevada to come forward to explain to the citizens of our state something I was involved in about a year ago. Last year I had an affair. I violated the vows of our marriage. It is absolutely the worst thing I have ever done in my life,” he said on June 16, 2009. He resigned as senator in 2011.