German Chancellor Olaf Scholz on Saturday called for calm as angry farmers choked up Berlin with a fresh tractor protest over government plans to annul agricultural tax breaks. “If protests that are legitimate turn into fury or disregard for democratic processes and institutions, then we all lose,” the chancellor warned in a video message broadcast on Saturday. “Only those who despise our democracy will benefit.” A week of action, involving tractors blocking access to motorways and protests with large vehicles in Berlin and other cities, has snarled traffic in many parts of the country. Thousa…