German President Frank-Walter Steinmeier has honoured the achievements of the many Turks who have come to Germany since the 1960s, when they helped to fill the demand for labour and rebuild the country’s post-war economy. “They helped build our country, they made it strong and they belong at the heart of our society,” he said on Monday at the start of his three-day trip to Turkey, referring to the almost 3 million people of Turkish descent living in Germany today. “They are not people with a migrant background – Germany is a country with a migrant background.” In 1961, the governments in Bonn …