London / Bloomberg David Cameron will make the case for staying in the EU to Parliament after London Mayor Boris Johnson became the highest-profile figure to say he’ll campaign for Britain to quit the 28-nation bloc, sending the pound plummeting. Cameron is due to address lawmakers in the House of Commons on the reform deal he struck with fellow European …

London / Bloomberg The pound fell the most since May 2010 after London Mayor Boris Johnson, one of the U.K.’s most popular politicians, said he’ll campaign for Britain to leave the European Union in a June referendum. Sterling dropped at least 1.1 percent against all its 16 major peers, reversing a gain made on Friday when Prime Minister David Cameron …

BERLIN / AFP Ending Europe’s open-borders Schengen agreement would cost EU economies at least 470 billion euros ($520 billion) over a decade, according to a German study published on Monday. The impact on trade flows would also cost major trade partners the United States and China tens of billions of euros each, said the study by the Prognos institute on …