The president's latest defense of his cozy relationship with Russia underscores his warped view of war.

How a U.S. citizen captured on the battlefield with ISIS may finally force America to confront the legacy of 9/11

How the NRA sells guns in America today

The rehabilitation of the worst Bush-era offenders underscores that Trump represents a continuity—not a break—with the past.

How efforts to block refugees and asylum-seekers from Europe have only made the global migration crisis more complex and harrowing

A nonstrategy for Afghanistan.

Under Obama, the U.S. handed over scores of damning historical documents to allies. But such outreach requires a deft, sensitive hand.

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.

Amid diplomatic tensions, a great, troubled experiment in news faces pressure to close.

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

That's good news for Europe, if it seizes this moment to finally reform NATO.

Bombings in Syria and Afghanistan were oddly exciting to some pundits.

A private contractor tossed U.S. military waste in Iraq and Afghanistan into giant pits and burned it. Now soldiers forced to breathe the toxic fumes are sick or dying—and the government is using faulty science to evade responsibility.

It began as the “good” war. Fifteen years on, it’s a disaster we can’t escape.