Merz criticises US handling of Iran war

What's happened

German chancellor Friedrich Merz has said the US is being "humiliated" by Iran and has criticised the lack of a US exit strategy in the US‑Israeli war on Iran. President Donald Trump has publicly attacked Merz, and the US is considering scaling back troop numbers in Germany while NATO and Berlin are discussing European defence responsibilities.

What's behind the headline?

What is happening now

• Friedrich Merz has criticised US negotiating performance, saying Iran is negotiating skilfully and that "an entire nation is being humiliated by the Iranian leadership." He has questioned the US exit strategy and warned of economic harm to Germany.
• President Donald Trump has responded with public attacks on Merz, calling him ineffective and accusing him of supporting a nuclear-armed Iran. Trump is also considering reducing US troop levels in Germany, which NATO says it is reviewing with the US.

What is driving this

• The US‑Israeli military campaign against Iran has disrupted shipping through the Strait of Hormuz and pushed energy prices higher, which is increasing pressure on European economies.
• Failed indirect talks in Islamabad and Pakistan have left diplomacy stalled; Tehran has proposed a phased approach focused first on reopening Hormuz while the US is insisting on broader concessions.

Short‑term consequences

• NATO and Germany are moving to shift more responsibility for European defence: German ministers are expanding forces and procurement, and NATO is urging higher European defence spending.
• US troop posture in Germany will be reviewed over the next six to 12 months, which will force European partners to accelerate defence planning and logistics.

Medium‑term forecast

• This will increase pressure on EU governments to raise defence budgets and build independent logistics and maritime capabilities. Germany will lead offers such as minesweepers, but effective action will require coordination that is currently lacking.
• Transatlantic ties will remain strained: Trump’s public rebukes will push NATO members toward a more transactional relationship with Washington and toward deeper European defence cooperation.

Why this matters to readers

• Energy and trade costs will continue to rise while the strait remains disrupted, affecting prices and supply chains. Changes to US troop posture will reshape security guarantees in Europe and will alter how quickly governments must adapt their own militaries.

How we got here

The US and Israel have been conducting operations against Iran since February 28, 2026. Negotiations have stalled after US envoys' trips to Islamabad and Pakistan failed to yield results, the Strait of Hormuz has been disrupted, and European leaders are warning of economic and security fallout.

Our analysis

The coverage shows a consistent core narrative with different emphases. Reuters and Al Jazeera report Merz saying the US is being "humiliated" and question the US exit strategy; Reuters notes Merz's comments to students in Marsberg and his offer to send German minesweepers. The Guardian (Julian Borger) provides the diplomatic detail that Merz's remarks follow cancelled US envoy travel to Islamabad and quotes him saying Iran is "skilful at not negotiating." Al Jazeera and The Independent reproduce Trump's Truth Social attacks directly: Al Jazeera quotes Trump calling NATO a "paper tiger" and accusing Merz of interfering, while The Independent prints Trump's Truth Social line that Merz "thinks it's OK for Iran to have a Nuclear Weapon". Politico highlights the direct social media exchange and frames it as part of wider transatlantic friction. Read Reuters for a concise report of Merz's classroom comments and Germany's offer of minesweepers; read The Guardian for context on stalled Islamabad talks and Iran's shifting negotiating posture; read Al Jazeera for broader reporting on NATO's response and German ministers' statements. Together the pieces document a diplomatic rupture: Merz has publicly criticised US tactics, Trump has retaliated on social media, and NATO and Germany are discussing a strategic reassessment of defence burdens and US force posture in Europe.

Go deeper

• How quickly will the US review and change troop levels in Germany?
• What concrete steps will Germany take to strengthen its navy and mine-clearance capacity?
• How will NATO members fund higher defence targets agreed at The Hague?

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