Johnson was dismissed from these high-profile posts in November 2004 over accusations that he lied to Michael Howard about a four-year extramarital affair with Petronella Wyatt , The Spectator 's New York correspondent and former deputy editor .
Johnson was dismissed from these high-profile posts in November , 2004 over accusations that he lied to Michael Howard about a four-year extramarital affair with Petronella Wyatt , The Spectator 's New York correspondent and former deputy editor .