NEW YORK (AP)--A man wanted for questioning about the Washington-area sniper suspects is being held in a New York jail on passport fraud charges. Peter John Gianquinto Jr., a 53-year-old felon who has used several aliases, was arrested Nov. 4 as he left his doctor's office in Manhattan. He appeared in federal court the following day on charges he submitted a bogus Rutgers University ID card to obtain a passport. Authorities in the Caribbean island of Antigua have linked Gianquinto to sniper suspect John Muhammad, saying that the two men were seen there together several times. ``They purchased things together...