Leona Helmsley joined the ranks of an elite group of crackpot dead ladies this morning when it was announced that her estate would give $12 million dollars to her dog, Trouble. In further awesomeness, two of her grandchildren will receive nothing, “for reasons which are known to them.” A handful of millions will also go to other relatives and advisers, and $100,000 will go to the limo driver. Of course, the news that should have made headlines here is that the rest of her estimated $4 to $8 billion fortune will go to charity. But come on, how could the Post possibly be expected to pass up the cover line, “Heir of the Dog!”?