Carloads of Muslim New Yorkers, all U.S. citizens, were detained for hours by federal agents after they returned from an Islamic convention held in Toronto over the weekend. A Pace University student said she was asked by a border patrol officer at the Lewiston-Queenston Bridge crossing whether the wire in her bra was a weapon. A white Flushing resident said U.S. officials refused to tell her why she was being held for eight hours. "It's just appalling," said Jean Tassi, 53. "If I didn't have on a head covering, I would have never been stopped." A U.S. Customs and Border...