BERLIN (Reuters) -Farmers and their tractors converged on Berlin from every corner of Germany on Monday morning to join a giant protest demanding a rethink of plans to tax them more. Some 3,000 tractors, 2,000 trucks and an estimated 10,000 people crammed the avenue leading to Berlin’s Brandenburg Gate for a mass rally capping a week of protests against the government. Tractors and trucks were parked nose-to-tail along the avenue and thousands of farmers wrapped up against the bitter cold milled around, waving German flags. The protests have heaped pressure on Chancellor Olaf Scholz’s coalitio…