There's no pleasure like a perfectly turned put-down (when it's directed at somebody else, of course) but Matthew Parris's Scorn is sharply different from the standard collections. Here are the funniest, sharpest, rudest and most devastating insults in history, from ancient Roman graffiti to the battlefields of Twitter. Drawing on bile from such masters as Dorothy Parker, Elizabeth I, Donald Trump, Groucho Marx, Princess Anne, Winston Churchill,...