I’m not the first Scot to get excited seeing our national flag fly abroad. Tenerife has dozens of our famous Saltire flags, with the white cross on the blue background, flying above hotels and official buildings. I first saw them outside hotels, and thought that they were flown in welcome to the 300,000 Scottish people who apparently come to the island every year. Then penny dropped when I saw the Scottish flag fly on the police station. Why the hell would they do that? I asked in the police sta