Vladimir Putin, it seems, is procrastinating. Just when the war in Ukraine was going his way and the Russian army doing what it does best – pummelling its way forward like a leaden-footed but seemingly unstoppable heavyweight boxer – Kyiv has sneaked in a powerful side punch. By launching an incursion into the Kursk region, Ukraine has not only breached the borders of Mother Russia – the inner sanctum of what is still a regional empire of control and influence – but also opened a second front.