1.5 million refugees - Merkel isolated, Germany at breaking point?<br />Have your say: quadriga@dw.com<br /><br />Guests:<br />Alan Posener - Anglo-German author and regular commentator for the Berlin based newspaper “Die Welt”<br /> <br />Christoph von Marschall - Senior diplomatic correspondent for another Berlin daily, the “Tagesspiegel”. <br /><br />Abdulaziz Ramadan - journalist and activist from Damascus, now living in Leipzig.