When it comes to Iran, Israel, and Latin America, Democratic leaders are closer in mindset to the Trump administration than you might think.

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

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?

The Israeli prime minister said the Iran deal "is based on lies.” Of course it is, says nuclear expert James Acton—but the U.S. knew that.

The appointment of John Bolton as national security adviser makes it a lot more likely.

He campaigned with a lot of swagger. But his first nine months in office have been defined by indecision, vacillation, and a reluctance to call shots.

The president may not stumble into a nuclear war, but he's setting the stage for a new era of proliferation.

Bernie Sanders's speech at Westminster College was an attempt to break through the calcified ideologies of the national security establishment.

They say Obama could get a "better deal," but what do they know about diplomacy?

Liberal hawks and neocons' Congress for Cultural Freedom delusion

Netanyahu's party trails in the polls, and he has no one to blame but himself. Will Tuesday's election end his reign?