Russia summoned the European Union’s ambassador in Moscow on Tuesday, fuming over a rail blockade that has halted shipments of many basic goods to a Russian outpost on the Baltic Sea, the latest standoff over sanctions imposed over the war in Ukraine. On the ground in eastern Ukraine, Russia’s separatist proxies said they were advancing towards Kyiv’s main battlefield bastion. A Ukrainian official described a lull in fighting there as the “calm before the storm”. The latest diplomatic crisis is over the Kaliningrad enclave, a port and surrounding countryside on the Baltic Sea that is home to nearly a million Russians, connected to the rest of Russia by a rail link through […]