The Queen’s most senior courtier was ‘forced out’ in a power struggle between Buckingham Palace and the Prince of Wales, it was claimed last night. Sir Christopher Geidt, the Queen’s private secretary, suddenly announced in July that he was leaving after 15 years of royal service, loudly insisting that the monarchy was in good shape. The Mail revealed that he was being followed by his assistant private secretary, Samantha Cohen, the third most senior courtier in the Queen’s private office, amid tensions between the main royal households and their senior staff, particularly Buckingham Palace and Clarence House. Now The Times...