More Quadriga discussions: http://www.dw.com/en/program/quadriga/s-7296-9798<br /><br />Germany has welcomed thousands fleeing conflict and repression with open arms. Chancellor Angela Merkel was a leading voice in offering them safe haven. But her government has now reintroduced border controls. Why the sudden U-turn? Did Chancellor Merkel get it wrong?<br /><br />Have your say: quadriga(at)dw.com<br /><br />Guests:<br /><br />Mekonnen Mesghena, expert for migration and diversity at the Heinrich Böll Foundation in Berlin.<br /><br />Andreas Kluth, Berlin bureau chief of The Economist.<br /><br />Burkhard Birke, correspondent for the German radio broadcaster Deutschland Radio.