It is hard to believe that Michael Gove will never again sit on the front bench. For the past 12 years, he has been one of the most interesting figures in British public life. Those who have worked with him testify to his ability, his command of detail and his intellectual self-confidence. Now, Gove has endorsed Rishi Sunak – who looks destined to lose out on the top job – and declared his own frontbench career over.