Fair play in world trade : towards a social democratic redesign of trade policy / Thorsten Schäfer-Gümbel with Bernd Lange MdEP, Matthias Miersch MdB, Sascha Raabe MdB, Dirk Wiese MdB, Fabian Bohnenberger, Clara Brandi, Herta Däubler-Gmelin, Alexander Geiger, Heike Joebges, Florian Moritz, Hubert Schillinger, Evita Schmieg, Jochen Steinhilber and Johanna Uekermann