Have you re-read the classic coming-of-age JD Salinger novel, Catcher in the Rye, lately? amNewYork takes a trip down memory lane, and 5th Ave, with a pair of Holden Caulfield-tinted glasses. Apparently people like the Central Park Conservancy historian get a ton of inquiries about the New York references in the novel. The most popular question, "Where do the ducks go in the winter?" Referring to the ducks in the Central Park pond that our......