EVERY BUSINESS in Ukraine has a reference level. For Mykhailo Travetsky, a farmer in Pryluky, it was the primary six weeks of the all-out invasion. As a Russian column stalled on a close-by freeway, his farm turned no-man’s land. Locals fought gun battles to maintain the Russians off it. Shells whizzed overhead. And Mr Travetsky milked his cows twice a day in physique armour, automated rifle cocked at his facet.