Sen. Lindsey Graham (R-S.C.) on Monday publicly criticized Pope Leo XIV's opposition to the U.S.-Israeli military campaign in Iran, comparing the Iranian regime to Nazi Germany and urging the pontiff to reconsider his stance on the conflict.

Graham appeared on 'Hannity' on Fox News to address the pope directly, calling him 'a good, holy man' but stating he does not 'understand the evil of Iran.' The senator emphasized that diplomatic negotiations would not persuade Iran's leadership to abandon its nuclear program.

The controversy escalated last week when President Trump posted on Truth Social that Iran's 'whole civilization will die' if the country obtains nuclear weapons. Pope Leo called this language 'truly unacceptable' and called for both sides to return to the negotiating table.

What the Left Is Saying

Progressive voices and Catholic commentators who support the pope's position argue that moral leadership requires calling for de-escalation rather than military confrontation. Pope Leo has been outspoken in his opposition to the conflict, emphasizing diplomatic solutions over threats of annihilation.

Democrats and interfaith advocates have praised the pope's willingness to speak out against what they characterize as inflammatory rhetoric from the White House. Supporters note that Leo, the first American pope in history, is exercising what he described as not being 'afraid of the Trump administration or of speaking out loudly about the message of the Gospel.'

Catholic progressive organizations have echoed the pope's call for negotiation, arguing that the Vatican is within its moral authority to advocate for peace and to condemn language that could be interpreted as advocating for mass casualties.

What the Right Is Saying

Republicans have largely rallied behind Trump's confrontational approach to Iran, with Graham becoming the most prominent senator to publicly defend the administration against Vatican criticism. The South Carolina senator argued that the pope's historical position on Nazi Germany demonstrates a failure to recognize modern threats.

Graham drew a direct comparison between Iran's regime and Nazi Germany, telling Pope Leo 'you really don't get this religious Nazi regime, the ayatollah and his henchmen.' He emphasized that 'one Holocaust is enough' and urged Trump to continue the military campaign.

Vice President Vance, the second Catholic vice president in U.S. history, weighed in on Monday defending Trump's approach while suggesting the Vatican should 'stick to matters of morality' and let the president handle American foreign policy. Vance also defended a now-deleted AI-generated image of Trump as a Christ-like figure, calling it a 'joke' that was misunderstood.

What the Numbers Show

The debate occurs amid heightened tensions in the Middle East, with Israel conducting military operations against Iranian nuclear facilities. The U.S. has increased military presence in the region, though specific troop numbers have not been publicly disclosed.

Public polling on U.S. relations with Iran has shown varying support for military action versus diplomatic engagement. A Pew Research Center survey conducted before the current escalation found that 55% of Americans favored maintaining diplomatic relations with Iran, while 31% supported military action.

Pope Leo's approval ratings among American Catholics have remained high since his election as the first U.S. pontiff, with initial surveys showing 72% favorable views among Catholic voters.

The Bottom Line

The exchange between the Vatican and the White House represents one of the most significant public disagreements between a U.S. president and a sitting pope in modern history. Graham's direct criticism of the pontiff underscores the deep partisan divide over America's approach to Iran.

The White House has indicated it does not plan to apologize for its rhetoric. Trump stated Monday that Pope Leo 'would not be happy with the end result' of a nuclear-free Iran, suggesting the administration believes its policies will ultimately achieve objectives the Vatican opposes.

The controversy is likely to intensify as military operations continue, with Catholic voters in America potentially facing a difficult balance between their faith leadership and their views on foreign policy. Both sides show no signs of backing down from their positions.