The president's decision to maintain U.S. support for a disastrous conflict relied on legal arguments crafted by the last administration.

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

All that talk about "reclaiming" congressional war powers? Historically, Congress has applauded presidential wars.

The close of World War I was supposed to end the world’s reliance on arms—and empire. But on the centenary, the Middle East offers proof that this hasn’t happened.

Millions are starving in the war-torn country. A Yemeni researcher argues that leading polluters bear some responsibility.

What arguments for a more humane approach to war conceal

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

Leftist challengers in 2018 have an opportunity to tackle one of the most troubling legacies of the Obama years.

No brokered diplomatic solution will succeed without on-the-ground legitimacy. And legitimacy is won locally.

Trump is expanding the foreign policy failures of previous administrations. Why aren't his opponents in Congress more vocal about it?

What Dave Eggers misses in his story of a Yemeni-American man’s rise

How Donald Trump's hands-off approach to Saudi Arabia squanders the U.S.'s leverage in the Middle East

As the kingdom makes mass arrests at home and tensions spike in the region, the United States looks on.

Far from being an isolationist, the president is one of the country's most hawkish in modern history.

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

He faces numerous possible pitfalls in his first official trip to the region—as well as opportunities.

Instead of correcting Obama's missteps, Trump is exploiting the public's worst fears.