>> 'What on earth did you say?' asks Nancy . 'I just knocked on the door and when it was answered, I said to them: 'I'm Nancy Pelosi's chauffeur and I've just killed the old cow.'
>
>In 1991, we had that joke independently in two versions - in the Croatian, "I'm Franjo Tu[d dash]man's driver and I killed the pig", in the Serbian, "I'm Slobodan Milo[s caron]evi[c acute]'s driver and I killed the pig".

That's probably where this one came from :o) I'm sure it's been recycled a few times, but it certainly gives a good laugh!