The importance of the Iran agreement. Paul Pillar identifies four aspects of U.S. foreign policy that could be significantly improved as a result of a successful nuclear deal.

Iranian scientists and the nuclear deal. Alexander Montgomery comments on the “face-saving” provisions of the framework agreement that made it possible for Iran to accept it.

Bombing Yemen won’t help it. Emma Ashford explains why the Saudi-led, U.S.-backed war is very likely to fail and to make conditions in the country much worse.

The war in Yemen isn’t a sectarian conflict…yet. Ishaan Tharoor offers a corrective to some of the misunderstandings about the Houthis and the Saudi war on Yemen.

Who are the Houthis? Tanya Basu talks to Safa al-Ahmad, a documentary filmmaker who has just completed a new film about the Houthis.

The U.S. must accept the reality of multipolarity. Nikolas Gvosdev calls on U.S. policymakers to adapt to a changed world.

When Obama and Castro meet. John Lee Anderson previews some of the issues that will be addressed at the upcoming Summit of the Americas.

Cubans welcome closer ties with the U.S. A rare public opinion survey in Cuba shows overwhelming support for normalization and the end of the embargo.