Old joke

The Independent reports:

In one of his stand-up sketches from a few year's back, comedian Frankie Boyle recalls a moment in a Glasgow pub when an Englishman asks for a lager and lime.

The barman's response (in thick Glaswegian accent): "Sorry pal, we don't do cocktails."

In that spirit, Tennent's, which brands itself as "Scotland's favourite pint", was clearly perplexed on Friday when someone asked them on Twitter why they don't do a low calorie version, perhaps along the lines of a Coors Light, or a Becks Blue.

To which it pointed out...