Pope Leo XIV has appointed Italian Archbishop Gabriele Caccia as the new apostolic nuncio to the USA to succeed the retiring Cardinal Christophe Pierre.The 68-year-old diplomat transitions from his role at the United Nations to manage relations during the 250th anniversary of US independence.This appointment occurs as the first US-born pope maintains a tense relationship with Donald Trump over immigration and military actions in Iran.Paul S. Coakley of the US Conference of Catholic Bishops stated that the mission aims to promote communion and peace within a polarized political climate.