London Mayor Boris Johnson says backs British exit from EU

London Mayor Boris Johnson said on Sunday he would back Britain's exit from the European Union in a June 23 referendum, ending intense speculation over the position of one of British politics' most influential figures. Speaking to a crowd of reporters on the steps of his London home, Johnson said Prime Minister David Cameron had not achieved fundamental reform of the European Union. The decision comes a day after Cameron called the June 23 poll and declared his own intention to campaign for Brit