Theresa May or Andrea Leadsom to be next UK leader

File photo taken in September 1982 shows British Prime Minister Margaret Thatcher at a press conference in Tokyo. British Home Secretary Theresa May and Energy Minister Andrea Leadsom are vying to be the next leader of the Conservative Party, replacing David Cameron as ruling party leader and prime minister, after Britain voted to leave the European Union in a historic referendum on June 23. The winning candidate will become the nation's second female leader after Thatcher, who served between 1979 and 1990. (Kyodo) ==Kyodo