No one knows what’s going on in Russian leader Vladimir Putin’s head – and while that’s a worrisome idea during the best of times, it’s an especially grim one during a war of his own creation. Putin is increasingly isolated, away from his inner circle and the oligarchs who once had some influence with him.  Guest: Ben Judah is a senior fellow at the Atlantic Council and the author of This Is London and Fragile Empire: How Russia Fell In and Out of Love With Vladimir Putin. If you enjoy this show, please consider signing up for Slate Plus. Slate Plus members get benefits like zero ads on any Slate podcast, bonus episodes of shows like Slow Burn and Dear Prudence—and you’ll be supporting the work we do here on What Next. Sign up now at slate.com/whatnextplus to help support our work. Learn more about your ad choices. Visit megaphone.fm/adchoices