The US held a global summit to isolate Iran. America isolated itself instead.

A US-led conference in Warsaw this week that was intended to isolate Iran has ended up isolating America instead — highlighting one of the central problems of President Donald Trump’s foreign policy.

The two-day, hastily organized summit, which ended on Thursday, was billed as a Middle East security conference. But it was an open secret that the gathering of more than 60 countries was really about getting the world on board with America’s tough-on-Iran policy, even though the US denied that was the case.

This annoyed European allies, many of whom sent only low-level diplomatic staff — or not representation at all — to attend the meeting. The discord on the issue of Iran dates back most recently to last May, when the US withdrew from the 2015 Iran nuclear deal, and European allies like France and Britain agreed to remain in the accord.

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