Istock A decade or so ago, a mate and I took the train from Falkirk through to Glasgow to watch one of Scotland’s best-loved bands, The Waterboys. You’ll know them, the lot wot sang The whole of the moon. One of the songs that raised the roof that night at *The Barras was Don’t bang that drum!, a song that – in Weegieland as well as across the water in Belfast – has a distinct sectarian and political connotation. Elsewhere, however, it’s taken on the meaning of someone spouting endlessly forth on a chosen topic. I don’t often step onto a...