Ron DeSantis is due to spend Friday in Britain on the last leg of a world tour aimed at enhancing his foreign policy credentials before an expected run for the Republican nomination. Formally, DeSantis will meet the foreign secretary, James Cleverly, and the business secretary, Kemi Badenoch, in his role as governor of Florida, the third most populous US state. Nigel Farage’s new rightwing Reform UK party is also trying to secure a meeting. Despite being greeted by the prime ministers of Japan and South Korea on earlier legs of the trip, he won’t meet the British prime minster, Rishi...