Sara Topham and Ben Carlson in The Misanthrope at Stratford. Two or three years ago, Robert Brustein took back the notorious position he had sketched out in his 1967 call-to-arms, "No More Masterpieces," with a wimpy apology titled, aptly enough, "More Masterpieces." (For some reason, he forgot the "please.") In it, the former artistic director of the A.R.T. - who had given the go-ahead to one desecration …