U.N. Mediator for Yemen Conflict Leaving Post The special envoy is the second U.N. mediator in less than three years to leave the post. Yemen is in the grip of a devastating war. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Japan Has Enough Nuclear Material to Build an Arsenal. Its Plan: Recycle.Nigerian Herders Face Threat From Farmers Competing for LandAt Least 10 Killed in Attack on Military Parade in IranMedellín Dispatch: 25 Years After Escobar’s Death, Medellín Struggles to Demolish a LegendNews Analysis: Is the World Becoming a Jungle Again? Should Americans Care?Several Killed as Gunmen Attack Military Parade in Southwest Iran