The Guardian has taken a remarkable step by replacing a column in which the writer appeared to call for the assasination of George W Bush with an apology. The columnist, Charlie Brooker, reviews television programmes for the Guardian. In his October 3 column, "Dumb Show", Mr Brooker reviewed the debates between Mr Kerry and Mr Bush and found both candidates lacking -- but reserved a particularly venomous evaluation for Mr Bush. He wrote: Throughout the debate, John Kerry, for his part, looks and sounds a bit like a haunted tree. But at least he's not a lying, sniggering, drink-driving, selfish,...