By Ben Aris in Berlin A thousand protesters demonstrated outside the Chancellor’s office after Germany announced it was not sending Leopard tanks to Ukraine at the Ramstein meeting. Germany’s refusal to send its powerful Leopard main battle tanks to Ukraine will prolong the war in Ukraine and makes a Berlin Wall-type scenario to end the conflict more likely. Nato allies gathered at theRamstein airbase on January 22 to co-ordinate military aid for Ukraine in its year-long conflict with Russia. Several billion dollars of military aid were announced; however, the key issue of providing heavy weap…