1.5 million refugees - Merkel isolated, Germany at breaking point?br Have your say: quadriga@dw.combr 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.