"This meeting really moves the needle in a very serious way [and] makes it clear that he is prepared to be a statesperson on the biggest issues of war and peace," Council President and CEO Leslie Vinjamuri tells BBC News.
Rachel Bronson explains how the deal's uranium enrichment terms and apparent bypass of IAEA oversight break from past US nuclear agreements—and what precedent that sets.
New UK leader Andy Burnham is wagering that economic renewal at home, not global strategy, is what stands between Britain and its own populist reckoning.
FIFA is increasingly bending to host countries on domestic politics, raising questions about whether global sporting events can still function as unifying forces.