In 2005 Robert Manne edited a collection of his political essays entitled Left Right Left. It is a large book of thirty-eight works, ranging from those published as long ago as 1977 to as recently as 2005. The turning point within them, Manne says, is the year 1995, roughly the time when he switched his allegiances from the political Right to the Left. Many of the essays published before that year, he says in the preface, involved arguments with the Left; after 1995 many involved arguments with the Right. One essay called “A Case for Censorship” was originally published in…