In fact, it was nothing of the sort, at an intellectual level, anyway. Yes, he said nice things about the Conservatives, and had a nice joke about his son mocking him. But at the level of political theory, there was no repentance, no regret. The former Labour leader may have been soundly walloped by the voters, but he's sticking to his guns on the central theme of his doomed leadership: economic inequality is the big issue of our times.