It’s the second of the Leaders’ debates tonight, and I should be listening to it if I don’t get distracted by Episodes from Liberty City.

These look like they’ll become an election fixture, so it’s time to start thinking about a drinking game. Gather around your television or radio and take a drink every time-

Nick Clegg mentions Sheffield, where he’s an MP.

Gordon Brown makes a lame and obviously scripted joke.

David Cameron starts an anecdote with “Recently I was in <city> where I met a….”

Anyone mentions Eton.

The chairman has to shout.

You still find yourself thinking “So that’s what Nick Clegg looks like.”

Watching it on Sky HD bonus addition

Gordon Brown in high definition makes you shudder.

Not-sober-until-Sunday optional additions-

Anyone mentions Trident

Anyone mentions Afghanistan

Anyone mentions “Our brave troops (boys/men and women etc.)

Permanent liver damage (but worth it) bonus

Gordon Brown says “Of course Tony was lying about WMDs and we all knew he was.”