NATO

Toomas Hendrik Ilves, Estonia’s former president, on what to make of U.S. foreign policy toward Russia.

The world needs new institutions for a new era—and nostalgia for a past that never existed won't help.

Trump doesn’t think the country is worth defending. Putin has already tried to destabilize it once—the West can’t let it happen again.

An attack on one isn't really an attack on all and four other misunderstood facts about the Western defense alliance.

America's allies and adversaries are adapting to Donald Trump in ways that can't easily be reversed.

Poland’s former defense and foreign minister explains how Trump left Eastern Europe in the lurch.

The president’s disgraceful remarks could have disturbing results.

U.S. allies in Europe are resigned to a trans-Atlantic relationship that keeps getting worse.

As long as Donald Trump is president, they're just not worth it.

Think the NATO summit was a complete dumpster fire? Think again.

Kay Bailey Hutchison will have to clean up whatever mess the president leaves behind in Brussels.

Top NATO leaders worry the U.S. president is raring for a fight.

Berlin needs to spend more on defense, but the U.S. president's public demands are making it politically impossible.

Donald Trump’s trans-Atlantic policy is a contradiction in terms.

James Melville is the latest in a string of career diplomat resignations over Trump’s comments and policies.

European officials worry that Trump could roil yet another international summit.

As schools become targets, young Afghans are living and working on the streets — and the government isn’t doing much to protect them.

In an interview with Foreign Policy, Jens Stoltenberg cautioned against a new arms race with Russia.

Democratic foreign-policy veterans want answers from Trump’s pick for secretary of state.

Germany is poised to become Europe’s first line of defense, but facing down a revanchist Russia will require more spending and better coordination among NATO allies.