President Donald Trump renewed his criticism of Pope Leo XIV in comments this week, a fresh flare-up that could complicate Secretary of State Marco Rubio’s planned meetings at the Vatican and with Italy’s top leaders.

The Associated Press reported that Trump made the remarks Monday in an interview with conservative commentator Hugh Hewitt, and that Rubio is expected to see the pontiff on Thursday before meeting Italian Prime Minister Giorgia Meloni and Foreign Minister Antonio Tajani on Friday.

The clash matters for a simple reason: Rubio’s job is diplomacy. When the U.S. president and the pope are trading accusations over war and peace, the secretary of state becomes the one who has to lower the temperature, without retreating from America’s interests.

Trump’s latest criticism centered on Iran and nuclear weapons. The pope answered a day later, pushing back on the idea that his position is soft or ambiguous.

Rubio, a practicing Catholic, tried to frame the dispute as a disagreement rooted in the same basic concern: that Iran must not get a nuclear weapon.

What Trump said, and what Pope Leo said back

Trump’s Monday comments faulted Pope Leo’s approach to Iran. In the interview, Trump said: “The pope would rather talk about the fact that it’s OK for Iran to have a nuclear weapon.”

Trump added: “And I don’t think that’s very good. I think he’s endangering a lot of Catholics and a lot of people.”

Pope Leo responded Tuesday as he left his residence in Castel Gandolfo, on the outskirts of Rome, to return to the Vatican. He told reporters that the Catholic Church’s position is longstanding and clear: “for years has spoken out against all nuclear weapons, so there is no doubt there.”

Then he went broader, defending his role as a church leader speaking about peace rather than acting as a political rival to any national leader. “The mission of the church is to preach the Gospel, to preach peace. If someone wants to criticize me for announcing the Gospel, let him do it with the truth.”

Readers who have followed the earlier back-and-forth will recognize the pattern. This week’s episode comes after a previous public clash, which we covered in a rare White House-Vatican dispute involving Trump and Pope Leo XIV.

Rubio downplays the rift, but the schedule is real

Rubio spoke to reporters Tuesday at the White House, with his Vatican stop coming up quickly. AP reported Rubio is expected to see the pontiff on Thursday and then meet Meloni and Tajani on Friday.

Rubio’s public line was that the underlying issue should unite people, not divide them. He said he “doesn’t understand why anybody, leave aside the pope, the president and I, for that matter, I think most people, I cannot understand why anyone would think that it’s a good idea for Iran to ever have a nuclear weapon.”

In other words, Rubio cast Trump’s complaints as rooted in opposition to an Iranian nuclear weapon. That is a fair diplomatic instinct: narrow the fight to first principles and try to keep allies and partners focused on the core risk.

But the burden of that approach is obvious. Rubio is walking into the Vatican right after Trump accused the pope of being effectively permissive toward an Iranian nuclear weapon, an accusation the pope flatly resisted.

This isn’t the first time Rubio has been put in the position of toning down or explaining Trump’s harsh rhetoric as it relates to Europe, NATO, and the Middle East. And after this trip, AP said Rubio will have visited Italy or the Vatican at least three times in the past year.

Italy pushes back as the dispute spills into politics

The diplomatic ripples are not confined to the Vatican. AP reported that Italian Prime Minister Giorgia Meloni, described as a long-time Trump ally, has taken exception to Trump’s comments about the pope.

Italian Foreign Minister Antonio Tajani responded publicly as well. In a social media post, Tajani wrote that Trump’s latest comments criticizing the pope were “neither acceptable nor helpful to the cause of peace.”

Tajani also posted a longer statement backing Pope Leo and pointing to diplomacy as the route to stability and peace: “I reaffirm my support for every action and word of Pope Leo; his words are a testament to dialogue, the value of human life, and freedom. This is a vision shared by our government, which is committed through diplomacy to ensuring stability and peace in all areas where conflicts exist.”

This cross-pressure, an American president arguing one way, an American-born pope insisting the Church has been consistent for years, and Italian leaders publicly weighing in, creates a real-world test for Rubio’s meeting schedule.

It also adds context to the wider political fallout we’ve tracked as the dispute grew, including warnings from U.S. leaders telling the Vatican to stay in its lane as the public arguments have escalated.

A familiar media script, and a bigger institutional problem

Newsmax summarized the latest exchange as Trump escalating a feud by claiming the pope supports Iran obtaining nuclear weapons, while the pope replied that the Church has long opposed all nuclear weapons and that his calls for peace are rooted in the Gospel.

Breitbart likewise described the dispute as broader diplomatic fallout ahead of Rubio’s Vatican visit, with Pope Leo insisting critics should address his views truthfully.

Those summaries point to the same core friction: today’s global leadership class often treats moral language as just another lobbying tool. And when that happens, every institution, government and church alike, gets dragged into the same cycle of public mischaracterization and political point-scoring.

AP noted the dispute comes after Trump lashed out at Leo on social media last month over comments about immigration policies, deportations, and the Iran war. It also reported that Trump posted a social media image likening himself to Jesus Christ, then deleted it after backlash, and that he refused to apologize to Leo.

That’s not just a personality clash. It’s a test of whether America’s foreign policy can stay grounded in clear interests and sober judgment even when prominent leaders choose public fights that make quiet diplomacy harder.

Immigration is part of the broader context here, too, with tensions already aired publicly. We covered that angle in a previous clash over immigration involving Pope Leo XIV and U.S. officials.

Rubio’s real assignment: protect U.S. interests without theatrical diplomacy

AP reported the Pentagon is planning to pull thousands of troops out of Germany in the coming months, and it noted Trump’s repeated ire toward allies. That backdrop matters because Rubio isn’t traveling in a vacuum; every meeting touches a wider set of alliance questions even when the immediate flashpoint is a war-of-words with the Vatican.

At the same time, Pope Leo has his own lane: he spoke of peace talks and criticized war with Iran generally, including Trump’s threats of mass civilian strikes, while emphasizing he’s reflecting biblical and church teachings.

That’s why the public rhetoric matters. When leaders turn moral questions into blunt political accusations, they make it harder for emissaries like Rubio to land on shared truths, like opposing nuclear weapons, without getting swallowed by side fights.

We’ve also noted Pope Leo’s repeated public appeals for an “off-ramp” during the Iran conflict, including in our coverage of the pope’s calls aimed at de-escalation.

The problem for American taxpayers and families isn’t that disagreements exist. It’s that elite institutions keep choosing maximum publicity and minimum clarity, then expecting working diplomats and ordinary citizens to absorb the cost.

Serious countries don’t outsource their statecraft to social media, and serious leaders don’t confuse moral witness with political theater.

Accountability starts with precision: say what you mean, argue the facts, and let diplomats do the hard work without setting fires they’re expected to put out.