Their tractors have been bearing down on Europe's capitals. From Berlin to Bucharest, from Warsaw to Brussels, farmers are venting their fury at having their margins squeezed by inflation and big distributors that drive down market prices in the name of protecting consumers' pocketbooks. Their tractors have been bearing down on Europe's capitals. From Berlin to Bucharest, from Warsaw to Brussels, farmers are venting their fury at having their margins squeezed by inflation and big distributors that drive down market prices in the name of protecting consumers' pocketbooks.