BERLIN (Reuters) - A German court postponed on Wednesday the verdict on a Moroccan accused of aiding the Sept. 11 attackers after prosecutors said they had found a new witness, casting doubt on his expected acquittal. The Hamburg court where Abdelghani Mzoudi is on trial said that the verdict would not now be issued Thursday as expected after a request from prosecutors to hear evidence from two police officials about a new witness. "Federal prosecutors sent to the court today a substantial transcript dated January 19 regarding the questioning of a witness whose reliability is guaranteed and who would incriminate...