The euphoria that accompanied Ukraine’s unforeseen early victories against bumbling Russian troops is fading as Moscow adapts its tactics, recovers its stride and asserts its overwhelming firepower against heavily outgunned Ukrainian forces. Around 200 Ukrainian soldiers are now being killed every day, up from 100 late last month, an aide to President Volodymyr Zelensky told the BBC on Friday — meaning that as many as 1,000 Ukrainians are being taken out of the fight every day, including those who are injured. But the odds against the Ukrainians are starting to look overwhelming, said Danylyuk, the government adviser. “The Russians are...