President Trump’s denunciation of the Iran nuclear deal has put the agreement on shaky footing, even if Congress declines to reinstate sanctions.

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.

The dismissal of FBI Director James Comey raises concerns about the government’s ability to investigate Russian meddling in U.S. elections, and the broader national security role of the agency.