They've been capitulating to Trump for two years now. The murder of journalist Jamal Khashoggi isn't likely to change that.

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.

How modern women navigate Iran’s theocracy

Some believe that the president is so divorced from actual governance that his statements have limited consequences. But that isn't the case.

Enabled by a craven Congress, the president is undermining the Iran deal and risking an escalation that he's incapable of halting.

His rambling, incoherent speech to the U.N. General Assembly was proof that the president only has one audience in mind—and it isn't a global one.

Will Trump's bluster spark a war with Iran?

A new book attempts to portray the Shah of Iran as a frustrated democrat.

His ego is driving life-and-death decisions. The results could be disastrous.

His administration can't get on the same page about Syria because there is no coherent foreign policy. Anything is possible, and that's horrifying.

The old Cold War rivals could team up against emerging powers.

Sanders has a new responsibility to drive the politics of national security in a better direction.