The Queens DA's office revealed a 19-year-old Queens resident hired as a contract employee at the U.S. Open was charged with falsely reporting an incident--actually three bomb threats. Apparently Mehmet Kadayifci, per WNBC, "pretended to be hearing impaired and used a special Web site to type three bogus claims between midnight and 1 a.m. about a bomb being inside the Arthur Ashe Stadium." (The website is to help deaf people make phone calls.) One note......