By Pavel Polityuk KYIV (Reuters) – Ukrainians endured the first scheduled power outages since the war began on Thursday and braced for more after Russian air strikes destroyed infrastructure, as Kyiv’s forces pressed on towards the Russian-occupied city of Kherson. Ukraine is advancing against Russian troops in the east and the south, but struggling to protect power generating facilities and other utilities from missile and drone strikes that appear designed to disrupt and demoralise as winter approaches. People across the country were urged to use less power as the government enforced nationw…