Russia is retreating at speed along the Kharkiv front, leaving behind burnt-out tanks and, even more tellingly, undamaged ones, too. There are television images of locals welcoming Ukrainian forces and accounts from eyewitnesses on the spot – but none of that has made it into Russian state media. As the Kremlin struggles to find some way of spinning the unspinnable, this will affect not just its public credibility but also elite unity.