Russia rattles the nuclear sabre again, as Ukraine devastates its munitions Al Jazeera EnglishThe Unthinkable: What Nuclear War In Europe Would Look Like Radio Free Europe / Radio LibertyPutin issues nuclear warning to the West over strikes on Russia from Ukraine CNNThe world isn’t taking Putin’s nuclear threats seriously – the history of propaganda suggests it should The ConversationPutin draws a nuclear red line for the West USA TODAY