Six months after he was exposed for having an affair with his biographer, former CIA director Gen. David Petraeus is moving on to what is slowly becoming the first step in rehabbing a disgraced public image. Like Eliot Spitzer before him, Petraeus will teach a course on public policy at City University of New York. CUNY took on Spitzer as a political-science professor in 2009, one year after he resigned from his post as New York governor when his patronage of prostitutes was publicized.
