By Christine Niles, M.St. (Oxon.), J.D., Church Militant - (Caution: graphic content) James Grein, the victim on whom Abp. Theodore McCarrick preyed for 18 years, gave his sworn testimony of abuse in the archdiocese of New York Thursday… During the session, (Attny.) Welch told Grein he'd been following him ever since he went public with his testimony in The New York Times, reading about him and watching him at the Silence Stops Now rally and in other interviews. He told Grein he believed him… "When he told me at the very, very beginning that he believes me, I cried, worse than I've ever cried before," Grein…