Successful denuclearization will hinge on rigorous on-the-ground inspections and closing the gap between North Korea and the United States on what areas any agreement should cover.

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.

The U.S. military is prepared for a number of contingencies with regard to North Korea, but the best path forward is diplomacy aimed at denuclearization.

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.