In 1946, George Orwell wrote an essay in which he outlined the four main reasons for writing. One was egoism, another “aesthetic enthusiasm”. The third was “historical impulse… the desire to find out true facts and store them up for the use of posterity.” This was closely linked to the fourth, “political purpose”, which he described as “the desire to push the world in a certain direction, to alter other people’s idea of the kind of society that they should strive for.” Sadly, the totalitarianism and dictatorships Orwell railed against are with us still, even if in di...