This story is covered in several of the Sunday papers today...
http://www.telegraph.co.uk/news/uknews/6427618/Anger-over-Jimmy-Carrs-joke-about-war-amputees.html
Personally, I think that it's a joke that isn't funny or clever enough to warrant the offence that it has given. Yes I know Carr always does these jokes, the audience should know what to expect and, yes, it didn't have any real malice. But it's like my whole problem with a lot of Mock The Week stuff... it's a joke that many of us could have come up with, but it's putting a desperation for laughs above a sense of humanity. Comedians shouldn't be censored, but the best ones have a set of ethics that they use to regulate themselves on what jokes they should and shouldn't use. I suppose that what I'm saying is that the very best comedians, IMO, show themselves to be human over and above the gags they tell. That's why Jimmy Carr all too often leaves me cold. It seems that a lot of comics, proud of the fact they don't do racist or sexist material (unlike the old "dinosaurs" of comedy), hypocritically seem to think pretty much anything else is fair game.