Nice article in The New Criterion about Orwell's Catalonia.
Now, however, that Marxist Communism as a ruling doctrine has all but disappeared from the face of the earth (though its effects certainly live on), Orwell’s most celebrated books have lost some of their urgency. It is even possible that generations to come, historically uninformed and uninterested, will wonder what on earth they were all about. By then, of course, Newspeak will have become so deeply entrenched that no one will realize that he is talking it, for it is the fate of satire in the modern world to become prophecy. (emphasis mine)