NEW YORK (Reuters) - A library book borrowed by the first U.S. president, George Washington, has been returned to a New York City's oldest library, 221 years late. Washington checked out the book from the New York Society Library at a time when the library shared a building with the federal government in lower Manhattan. The library said in a statement that its borrowing records, or charging ledger, showed Washington took out "The Law of Nations" by Emer de Vattel on October 5, 1789. The book was not returned, nor any overdue book fine paid -- with the overdue fee...