Evegeniy Prigozhin, head of the notorious Wagner mercenary group, appeared to fling down a direct political and, possibly, military challenge to the Kremlin on Friday, June 23. In another video he declared that Russia’s grounds for invading Ukraine were false and accused the country’s senior leaders of systematically lying to President Vladimir Putin about the debacle.In another profanity-laced 30-minute video posted on his personal Telegram channel, Prigozhin effectively declared that Russia’s full-scale invasion and its ongoing war with Ukraine were illegal. Among other statements, which directly contradicted official Russian positions regarding the Ukraine war, Prigozhin flatly denied the Kremlin’s longstanding...