Deadwood crush: Only very once in a while you come across something so rare, so sublime, that everything else seems just mediocre and irrelevant. So marvellous that you take it in tiny doses because you’re scared of the moment it will come to an end. So beautiful, that for the good of the world, you have to share it with everybody else. These things rarely happen on a television screen, but now it has. Listen carefully, I’m going to whisper it in your ears just once: it’s called Deadwood, and it’s the best t...