<p>How do you apologise when you're not sorry? Where can you make a fortune out of pretending to know the future? What's the best way to steal credit and avoid blame? These are the vital life skills that people need if they're going to make their way in the world. And they all involve one ingredient: flannel, the art of not saying what you mean. It's not exactly lying, but it's definitely not telling the truth. In Romps, Tots and Boffins, Robert ...