Despite the Port Authority’s best efforts, including construction of a new Terminal A and increased customer service efforts, flyers ranked Newark Liberty Airport dead last in a JD Power’s satisfaction survey of North American airports. Again. Out of a possible 1,000 points, Newark airport received the lowest score, a 719 in the mega-airport category, while top ranked Minneapolis-St. Paul International was rated number one at 800 points. JFK Airport was ranked fourth highest at 791 points, the highest of the Port Authority’s three metro area airports. The Port Authority did not respond to requ…