Spectator debate: Independence is the greatest threat to Edinburgh

‘The nuisance of the tropics is/the sheer necessity of fizz.’  Over the past few days, during which England endured sub-tropical sweltering, it was more a matter of beer. I do not wish to denigrate water, which is all very well in its place. I often drink it. But for urgent, nay life-saving, rehydration, nothing beats