IIRC, he retired voluntarily. "On March 17, 2006, at a press conference in Utica, New York, Boehlert announced that he would not seek a thirteenth term in office." That's a quote from Wikipedia.
Whoopie, he “retired”. His polls said he couldn’t be elected or he got some gig that paid better. Still no credibility for the religion of oppression in the name of climate.