The Dalai Lama, the exiled spiritual leader of Tibetan Buddhism, arrived in New York on Sunday ahead of medical treatment for his knees and was greeted by hundreds of cheering and chanting supporters. The 88-year-old waved from the open window of a limousine as it approached his Manhattan hotel. He walked slowly to the entrance, supported by aides. ... A group of US lawmakers met the Dalai Lama in India last week and said they would not allow China to influence the choice of his successor. ...