Slovyansk, Ukraine (CNN) -- In a forest of pines to the east of Slovyansk, Prapor and his seventy men were digging in Thursday. A man in his late-fifties with a magnificent beard and four different weapons, Prapor freely admitted he was not a local. But he was here -- he said -- to resist the "Ukrainian fascists" in Krasny Liman, a nearby town just recaptured by government forces. He was dismissive of the group that had fled Krasny -- "Cossacks," he sneered. He had already lost seven men, but his fighters were the bravest. They would not run away. Meeting...