The Nevada senator is the focus of a federal ethics investigation . He previously had announced he would not run for re - election next year . `` I was hopeful that , with the closure of these investigations against me the wear and tear on my family and me would soon be over . Two Nevada Assembly members announced previously they would run for Ensign 's seat .
The Nevada senator is the focus of a federal ethics investigation . He previously had announced he would not run for re - election next year . Two Nevada Assembly members announced previously they would run for Ensign 's seat .