Trump's Diplomatic Push Meets Resistance as Iran War Drags On

US President Donald Trump sought to project strength on the world stage this week, delivering a combative speech to the UN General Assembly and hosting Chinese leader Xi Jinping for a state visit. But the diplomatic flurry did little to alter a perception among analysts that his foreign policy agenda has stalled, beset by a widening war with Iran, rising gasoline prices at home, and increasingly vocal pushback from allies.

Trump's UN address on Tuesday was a defiant display of his approach to global affairs. Standing before a body dedicated to peacemaking, he threatened to "annihilate" Iran if it did not agree to a deal, defended his coercive stance toward Venezuela, and hinted at further military deployments to achieve his aims. Yet the speech also underscored the limits of his influence. With the Iran conflict—launched alongside Israel on February 28—now nearly seven months old, disrupting global energy supplies and spreading to Yemen and the Red Sea, Tehran's defiance has become the most intractable challenge of Trump's second term.

The war is deeply unpopular and has divided Trump's political base, raising the prospect of losses for his Republican Party in November's midterm elections. World leaders appear to be preparing for a period of diminished US influence. Most European and Asian allies have refused his requests for assistance in the Iran conflict, which he initiated without consulting them.

At the UN gathering, several US partners took aim at Trump's approach, mostly without naming him. French President Emmanuel Macron warned against a global "return to the law of the jungle," while Brazilian President Luiz Inacio Lula da Silva decried foreign interference in his country's October election and said, "we do not need aircraft carriers patrolling our waters, we need cooperation to stem the flow of weapons and money that fuel crime."

A White House official rejected the notion that Trump's foreign policy had hit a wall, saying his UN remarks "highlighted his various wins in advancing US interests around the world," including preventing Iran from obtaining a nuclear weapon. The official added that Trump was "not concerned with posturing but about results" and that some leaders' public comments did not match what they told him privately.

The week's most tangible diplomatic outcome came from Thursday's summit with Xi, which was heavy on pomp but light on substance. The two leaders agreed to a two-month extension of a trade truce originally due to expire in November. While Trump avoided publicly airing differences, Chinese state media reported that Xi urged him to oppose independence for Taiwan. Trump's non-confrontational stance marked a shift from his earlier tariffs-driven approach, tempered by Beijing's control over rare earth minerals.

Elsewhere, Trump's effort to pressure Ukraine and Russia into even a limited energy ceasefire failed to gain traction. A deal with Denmark and Greenland for an expanded US military presence in the Arctic fell short of his initial demand to "own" the territory. "A year ago, few countries dared cross Trump," wrote Ian Bremmer, president of the Eurasia Group. "Now Canada, Europe, China, Iran, Russia and others are all more willing to say no."

At one point, Trump himself seemed to question his international sway. In his UN speech, he proposed rebranding AI as "super intelligence" and said, "Let's see if I have any power. Maybe I do and maybe I don't. We're going to find out pretty soon."