I didn’t know it at the time but in November 2004 I left Glasgow to live in Edinburgh. This came about after a trio of deaths in the family. That, and a creeping disaffection with my home city. Glasgow looked like it was sleeping rough, with Sauchiehall Street standing in for Pottersville, George Bailey’s hallucinatory hellhole in Frank Capra’s It’s a Wonderful Life. Thanks to the city’s planning and licensing laws, the strip between Charing Cross and Rose Street promoted two competing rows of incontinent bars, gambling venues, fast food joints and charity shops, their signboards changing every few…