US Secretary of State Marco Rubio is set to meet Pope Leo XIV on Thursday in Rome, a meeting confirmed by the Vatican and by Italian government sources. Also on the agenda: talks with Vatican Secretary of State Pietro Parolin, a meeting with Italian Foreign Minister Antonio Tajani, and a requested conversation with Italian head of government Giorgia Meloni.
The mission comes after public criticism from Donald Trump aimed at Pope Leo XIV, who had described the war in Iran as "unjust." Italian media portray the trip as an attempt to "thaw" relations between Washington and the Holy See. One detail is universally noted: Rubio is a practicing Catholic, placing the envoy in a distinctive relationship with the pontiff he is coming to meet.
To grasp what is at stake, it helps to set the visit in a wider context. Since the start of the war in Iran in March 2026, several international institutions and European governments have voiced increasingly critical positions toward American strategy. Elected less than a year ago, Pope Leo XIV quickly established himself as a global moral voice on armed conflict, in continuity with his predecessor's stances — but this time facing a war directly waged by the United States.
The true significance of the trip remains contested. Some actors see it as a routine diplomatic operation, sending a qualified mediator to mend a damaged relationship and a signal of reconciliation. Others read it as an admission of a problem the administration created and cannot resolve alone. The disagreement also concerns the nature of the quarrel: a personal clash between two men, or a deeper structural tension between the Church's positions and Washington's agenda. On this point, no single reading commands consensus.
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