Why do New Yorkers act like they’re smarter and more savvy than the rest of the country? It may just be because they are. But beware: Being the best can be a blessing as well as a curse. New Yorker staff writer Joan Acocella deconstructs the “rude" New Yorker. Plus: the fourth of our weekly segments with travel expert Wendy Perrin, and Francis Morrone on the birthday of the Brooklyn Bridge.