Informing U.S. engagement with the world

![An Iranian woman holding a poster depicting Iran's Supreme Leader Ayatollah Ali Khamenei walks under a large flag during the forty-seventh anniversary of the Islamic Revolution in Tehran, Iran on February 11, 2026. Majid Asgaripour/West Asia News Agency via Reuters]()
The Supreme Court Clipped Trump’s Tariff Powers—and Opened New Trade Battles
By Jennifer Hillman
![President Donald Trump speaks about the Supreme Court's tariff decision during a press briefing, on February 20, 2026 at the White House in Washington D.C.]()
![<p>Ukrainian soldier prepares a drone for flight at a training area on February 8, 2025 in Donetsk Oblast, Ukraine.</p>]()
![Image of Trump entering Congress.]()
Why a Nervous Mideast Braces for a New Round of Upheaval
By Steven A. Cook
![<p>The U.S. Navy’s Nimitz-class aircraft carrier USS <em>Abraham Lincoln</em> leads its strike group during a photo exercise in the Arabian Sea, February 6, 2026.</p>]()
CFR Spotlights
The War in Ukraine
Russia’s invasion has reshaped European security, strained Western alliances, and tested the limits of international resolve. But, as the conflict enters its fifth year, the terms of any eventual settlement appear to remain as contested as the front lines themselves.
Trade and Tariffs
A landmark Supreme Court decision striking down the president’s use of emergency powers to impose tariffs has upended the legal foundation of Trump’s trade agenda — forcing a reckoning over which tariff authorities remain viable and what comes next for U.S. trade policy.
The World, Explained
Use CFR’s backgrounders and explainers to dig deeper into critical global issues.
The Spillover Podcast: Trump’s Tariffs Struck Down
The Spillover, CFR’s new weekly series, traces the ripple effects of global events across geopolitics, economics, technology, and finance. In a special episode, host Rebecca Patterson is joined by CFR President Michael Froman, a former U.S. trade representative, to unpack Friday’s Supreme Court decision that struck down Trump’s use of the International Emergency Economic Powers Act (IEEPA) to impose tariffs.
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