Such was the shock of elections in two eastern German states - with one more to come at the end of the month - that the government of Olaf Scholz is introducing measures that go against the very grain of the EU's most sacred principal: the freedom of movement and the Schengen Agreement. <br />From Monday, Germany will impose border controls affecting all nine of its neighbouring countries. <br /><br />Some, like Poland, have complained bitterly. <br /><br />It's all designed to reduce the app