Every week we wrap up the must-reads from our coverage of the Ukraine war, from news and features to analysis, visual guides and opinion. Anti-Putin militias enter the spotlight The founder of the Russian Volunteer Corps, Denis (C), known as ‘White Rex’, flanked by fighters in camouflage attend a presentation for the media in northern Ukraine. Photograph: Sergey Bobok/AFP/Getty Images As Russian militias opposing the Kremlin readied a daring cross-border raid into the Belgorod region this week, a man with slicked-down hair, in full camouflage and holding an automatic rifle stared into a camera lens, Andrew Roth reports. That man…