Nick Cohen's timely polemic exposes the myth of freedom of expression in Britain with great insight and verveOne of the comforting myths of our times is that we have seen a massive expansion of freedom of expression. Perhaps a price has been paid in the explosion of inequalities between and within nations and in religious wars harking back to the 17th century. But, what the heck, these are regrettable side-effects of a much freer, better informed world.Twitter and Facebook, together with fearless journalists and human rights lawyers, have massively expanded the boundaries of freedom, so the argument runs. Look at Iran, Egypt, Libya or China. Surely social media and the inventors of Google and Wikipedia have dumped the censor in ...