sentences:  He left the "Sun-Times" in 1984 and was appointed president and publisher of the "New York Daily News", where he remained until 1991.The "Sun-Times" won six Pulitzer Prizes during his tenure there, and the "Daily News" won one during his presidency.Following fellowships at the Harvard Institute of Politics (1991) and the Freedom Forum Media Studies Center at the Columbia University Graduate School of Journalism (1992), he was appointed editor of "Foreign Affairs" in 1992, replacing William G. Hyland.