On january 19, The Guardian published a powerful article by an old friend of mine, Kevin McKenna, who was my editor when I wrote about boxing for Scotland on Sunday in the 1990s.

The article is getting a lot of attention, and deservedly so. McKenna, a unionist, argues that Scottish independence is becoming the only viable option.

I am not a unionist, but, even if I were, I would still vote for independence, and the reason is simple. Alex Salmond, Scotland’s First Minister, promises that i...