May to take over as British PM with mammoth task of delivering Brexit

By Estelle Shirbon and Kylie MacLellan LONDON (Reuters) - Theresa May will take over the job of British prime minister from David Cameron on Wednesday and form a government with the monumental tasks of extricating Britain from the European Union and uniting a fractured nation. May, who has been interior minister for six years and is seen by her supporters as a safe pair of hands to steer the country through the disruptive Brexit process, will become Britain's second woman prime minister, after M