At the primary school our kids attended, there was a class for gifted children. It was called the ‘opportunity class’. To get into the opportunity class, the kids had to do a test. They couldn’t study for the test; it was designed to measure…

I once visited a church and sat next to an alcoholic called Phil.[1] I know Phil was an alcoholic because he told me quite soon after church finished. The whole gathering had been lively and emotional, with professional music and young happy faces…