Struggling to accept news of Ash Carter's death. Ash was the most brilliant person I have ever known. His insights, with @SecDef19, that the Soviet collapse meant that Russian weakness, not strength, was the greatest WMD threat, & that cooperation,...1/x politico.com/news/2022/10/2… ...not confrontation, was the solution, was crazy until it was necessary. I was fortunate to be along for that ride, which took me from @BelferCenter to #PNT to Kyiv, Moscow, Minsk, Almaty, Dniepropetrovsk, Sarov, Pervomaisk, Mayak, Severdovinsk, Shchuchye and so many other...2/x