A year ago most reporters were writing John Ensign's political obituary. The Nevada senator had admitted to an affair with a longtime staffer and was under investigation by the feds for payments his parents made to the staffer's husband to allegedly keep him quiet. Many in Nevada wondered why Ensign didn't step aside and allow a less tainted Republican take his place. But, the feds and the Federal Election Commission then dropped their investigations and, it seemed, his path cleared to reelection to a third term in 2012. Or maybe not.
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