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.

Once a role model for democracy, Poland has rapidly witnessed a series of illiberal moves that threaten the rule of law and its future within the European Union, says Agata Fijalkowski.

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

To address a migration emergency that shows no signs of abating, states should look beyond building refugee camps and offer economic opportunities to those displaced, says expert Alexander Betts.