LONDON — Kemi Badenoch’s elevation as leader of Britain’s Conservatives is a historic moment in British politics — but you can expect the Tories to take it in their stride. The 44-year-old is the first Black woman to become a leader of a major U.K. political party, after defeating her opponent Robert Jenrick in a vote of Tory members on Saturday. She follows in the footsteps of a cluster of British Black and Asian Conservative MPs who have served in high office over recent years — including James Cleverly, Suella Braverman, Priti Patel and Sajid Javid. Rishi Sunak, who lost…