Martin Kettle, Guardian
Ever since British exit from Europe became a realistic possibility, there has never been any doubt that Germany would be a pivotal player in the negotiations leading up to any deal; or that Angela Merkel might even play a significant role at some stage in the referendum campaign. Merkel has many problems – not least the migration crisis and difficult regional elections later this month – but it would be surprising if the chancellor did not make an intervention in the Brexit debate before it is over. If she does, few would dispute that she will get a serious hearing.