At a press conference in the Vatican on December 10, 2015, the Pontifical Commission for Religious Relations with the Jews issued a document entitled, "'The Gifts and Calling of God Are Irrevocable' (Rom 11:29 ): A Reflection on Theological Questions Pertaining to Catholic-Jewish Relations on the Occasion of the 50th Anniversary of Nostra Aetate (No. 4)." The document was introduced by Cardinal Kurt Koch, President of the Commission, and Rev. Norbert J. Hoffman, SDB, Secretary of the Commission. Remarks from Jewish perspectives were also offered by Dr. Edward Kessler, Founding Director of the Woolf Institute in Cambridge, United Kingdom and Rabbi David Rosen, International Director of Interreligious Affairs for the American Jewish Committee. The texts of the four speakers follow below.  (L to R: Rev. Hoffman, Rabbi Rosen, Cardinal Koch, Dr. Kessler, and Director of the Holy See's Press Office, Rev. Federico Lombardi.)