22/06/2016 (Agence Europe) - Mr Junker says question of posted workers is European challenge. On Wednesday 22 June in Brussels, following a meeting with the Austrian Chancellor, Christian Kern, the President of the European Union, Jean-Claude Juncker, said that they thought the European Commission was right to make the question of posted workers "a European subject". He said that it was "absolutely" necessary to fight against "social dumping" and expressed astonishment at the "yellow card"...