What are the odds that one of the world’s best political commentators happens to be an expert on the songs of Cole Porter? Or that he knows more about Frank Sinatra’s singing than all of Australia’s commentariat put together? Or that this same person happens to be funny, and I mean fall on the ground, laugh-out-loud funny? So funny that he can be writing about something catastrophic – the rapid decline of Western civilization, say, or the creeping lack of will across the West’s political class to defend freedom of speech (are you listening Tony Abbott and George Brandis?) –...