New York Times: RESIDENTS of Red Hook, Brooklyn, who worry about car exhaust have long looked in consternation to the east, to the Brooklyn-Queens Expressway, or, more recently, to the south, where an Ikea store opened last year amid fears about the traffic it would draw. But when Adam Armstrong of Pioneer Street thinks of exhaust, he thinks of the westward view from his backyard, toward the water. That is where, on certain days, Mr. Armstrong can see the smokestacks of the Queen Mary 2 and other …