His dim tweets and rash threats have pinned the U.S. in a corner with Tehran.

The predictable result of the Trump administration's incoherent foreign policy

Lessons from a 2016 naval crisis that could have sunk the nuclear deal and opened a conflict, but didn’t.

To avoid war with Iran, the president needs to haul out his Apprentice-era catchphrase.

High defense costs are one of the surest ways to hasten a great power's decline.

With legislators and public alike focused on Saudi influence, another Gulf country's lobbying efforts are flying under the radar.

Iran has not posed a serious terror threat to the United States since the 1980s. Sunni terrorism, on the other hand, has.

This week's summit in Warsaw is a pale imitation of a serious effort three decades ago.

Secretary of State Mike Pompeo's reassurance tour of the region isn't going so well.

Three things Mike Pompeo should say in Cairo this week, but probably won't

What will it do to the many millions of Americans who still haven't recovered from the last one?

While autocrats take advantage of the president's foreign-policy chaos, America's oldest allies are paralyzed by division and dependency.

Trump is making clear that he only respects countries with the power to devastate the U.S.

Donald Trump’s decision to leave the Iranian nuclear deal continues a rich tradition of U.S. fecklessness.

One small step for Trump—and one giant blow to American diplomacy. The repercussions of reneging on the Iran deal may last for years.

Here's exactly what the U.S. loses as Trump scraps the Iran nuclear deal.

Trump and Netanyahu seem intent on kicking over the EU's carefully built international sandcastles. But can Europe play the long game?