• Late icon of conservatism William F. Buckley's duplex at 778 Park (also the last address of Brooke Astor) has gone on the market for $24.5 million. The 5,000-square-foot space (above) has four bedrooms, and 4.5 bathrooms; no extra charge for the lingering ghosts of Richard Nixon and Ronald Reagan. [Daily News, Barak Realty]