Iran could restart aspects of its nuclear program if President Trump declines to renew sanctions waivers this month, leaving major powers with few options for monitoring or restricting it.

In striking Syria without an international law justification, the United States leaves itself open to criticism and may invite similar behavior by other countries.

Armenia’s partnership agreement with the EU signals its shift toward Europe amid growing tensions between Russia and the West.

The past year saw the ongoing historic displacement of millions from conflict and persecution, and a weak response from the world’s richest nations to address the problems.

Spain’s effort to block Catalonia’s referendum on independence may push more Catalan voters to support it.