NEW YORK — New England Patriots quarterback Tom Brady must serve a four-game “Deflategate” suspension imposed by the NFL, a federal appeals court ruled today, overturning a lower judge and siding with the league in a battle with the players union.The 2nd U.S. Circuit Court of Appeals in Manhattan ruled 2-to-1 that Commissioner Roger Goodell did not deprive Brady of “fundamental fairness” with his procedural rulings.The split decision may end the legal debate over the scandal that led to months …