Campaign U.S. Editor Douglas Quenqua recounts in a story an interview he did recently with JWT Global CEO Gustavo Martinez. As the two were settling in to discuss Adland issues, Quenqua reports that he couldn’t believe his ears when the CEO explained why a short-lived move to Westchester County, NY didn’t work out. "Too Many Jews,” the CEO reportedly lamented. The campaign story was published shortly after the disclosure of a bombshell sex harassment and retaliation law suit filed against Martinez by JWT Chief Communications Officer Erin Johnson. In the complaint Johnson alleged Martinez frequently uttered racial and antisemitic slurs. …