Amnesty International, founded fifty years ago this week, was almost immediately dubbed “one of the larger lunacies of our time”. The then bizarre idea was to collect information on people incarcerated in prison solely for their political views and then, by means of an army of volunteer activists, bombard the offending governments with massive numbers of letters, postcards and telegrams, calling for the prisoner’s swift release. Other critics called it “subversive” and “an agent of Satan”. Iran’s Ayatollah Khomieni, Uganda’s Idi Amin, Iraq’s Saddam Hussein, Chile’s Augusto Pinochet, Britain’s Margaret Thatcher and France’s President Jacques Chirac are all heavyweights who have gone into the ring to try and squash it. In the 1990s and the new century the criticism has been subtler. The attacks came not only from government leaders but from sceptics in the media as well. Some have argued that Amnesty has become respectable, a part of the...