The Gulf Cooperation Council has long been held together by fear of a shared threat rather than by institutional integration. The Iran war exposed how thin that unity really is, revealing an alliance in name more than in practice, Jonathan Fenton-Harvey writes.

The Iran War Gave the GCC a Chance to Unite. It Chose Not toThe conflict has only exposed deep tensions within the bloc, which only look set to harden, weakening its potential leverage.www.worldpoliticsreview.com