David Aaronovitch and guests discuss the challenges facing Germany. Worries over the economy and immigration have seen the far right AfD party gain support in the former east Germany. Guests: Guy Chazan, Berlin bureau chief at the Financial Times Dr Constanze Stelzenmuller, Director of the Center on the United States and Europe at Brookings Institution Marcel Fratzscher, President DIW Berlin - German Institute for Economic Research and Professor at Humboldt University Berlin Thiemo Fetzer, Professor of Economics at Warwick and Bonn Universities Presenter: David Aaronovitch Producers: Caroline Bayley, Kirsteen Knight and Ben Carter Sound engineer: James Beard Editor: Richard Vadon Production Co-ordinator: Gemma Ashman