Archbishop Gabriele Caccia was appointed by the Pope as the new Apostolic Nuncio to the USA, succeeding the retiring Cardinal Christophe Pierre.Paul S. Coakley, president of the US Conference of Catholic Bishops, welcomed the veteran diplomat who previously served at the United Nations.This mission begins during the two hundred fiftieth anniversary of USA independence amid significant diplomatic friction with Donald Trump.The first US-born pope continues to criticize the security doctrine of Washington while calling for an end to military violence in Iran.