This, by @AndreiSoldatov and @irinaborogan is very good, spotlighting the real failures that came to light with the Prigozhin misadventure.
or,
"It's the FSB, stupid"
https://www.foreignaffairs.com/russian-federation/putin-security-crisis-wagner-rebellion?check_logged_in=1&utm_source=twitter_posts&utm_campaign=tw_daily_soc&utm_medium=social

🐦🔗: https://n.respublicae.eu/IlvesToomas/status/1678017696120668160