Following the prolongation for a month, until 1 June, of the exemption for the EU from the US customs duties of 25% on imports of steel and of 10% on imports of aluminium, Germany's Chancellor Angela Merkel said on Wednesday 2 May that the EU member states should entrust European Trade Commissioner Cecilia Malmström with a clear mandate to negotiate with Washington. "Of course, it is important that these exemptions are not granted for a limited time period", Merkel said during the visit...