'Vote Leave' named lead 'Out' campaign for EU referendum

By Kylie MacLellan LONDON (Reuters) - Britain's electoral watchdog has picked the "Vote Leave" group, backed by London Mayor Boris Johnson, to be the official "Out" campaign ahead of a referendum on June 23 on whether Britain should remain in the European Union. Wednesday's decision, which hands the group several advantages over rival "Out" campaigns including a higher spending limit, will pit Johnson against his party leader Prime Minister David Cameron, effective head of the "In" official camp