Britain to launch Brexit process on March 29: EU sources

By Gabriela BaczynskaBRUSSELS (Reuters) - Prime Minister Theresa May will write to the European Union on March 29 formally announcing Britain's withdrawal from the bloc, EU sources told Reuters on Monday, saying Brussels had been told of the plan by British officials.By the end of next week, after he has received May's letter, European Council President Donald Tusk should have distributed draft guidelines for the negotiations to the 27 other national governments.Tusk will also summon those 27 le