The Senate’s dereliction of duty on NATO expansion. Nikolas Gvosdev reviews the failure of the Senate to ask the right questions during earlier rounds of NATO expansion.

Saving face in Tehran. Paul Pillar comments on the abrupt end of Russia’s use of Iranian airbases.

NATO is an institutional dinosaur. Ted Galen Carpenter makes the case that NATO is obsolete.

Can the Saudis escape endless war in Yemen? Thomas Lippman comments on the failure of the Saudi-led war.