Ed Sheeran has 16 songs in the Top 20 – and it's a sign of how sick the charts are

I’ll never forget the worst Top 40 of my young life. In autumn 1998, Cher’s Believe was No 1 for seven weeks. As a nine-year-old chart fanatic, I was raging. Who was this ageless cyborg? What was she doing in my charts? Wasn’t hogging the top spot against the rules? (Rules I had made up – like …