Getty Packers home, Lambeau Field With temperatures on Monday night certain to drop below freezing for the Packers game, and with snow also a possibility, the Saints are heading into unfamiliar territory. New Orleans plays in a dome, of course, and typically spends its late-December schedule rounding out divisional games against warm-weather foes like Tampa Bay and Carolina, or playing in Atlanta, another domed home team. But now the Saints are heading north to Green Bay for “Monday Night