that's tonight's last word. tomorrow morning on velshi, a new addition of velshi banned book club, featuring my conversation with jonathan evason, the award-winning story lawn boy. when the most banned books today. that tomorrow on velshi. the rise of wagner starts right. russia may look like a state, but those who know it well say that, under president vladimir putin, it has become a mafia armed with nuclear weapons. >> he is a dictator, but more likely -- >> and on june 24th, putin faced the biggest challenge to his authority in his more than two decades in power. a member of his trusted inner circle dared to revolt and marched his army of mercenaries into russia.