Donald Trump can't even run a profitable casino. The itch to gamble may be the most powerful known addiction, and in cities where casinos are allowed, there is no such thing as the free entry of potential competitors: the established players have their safe niche. An inability to make a profit in this circumstances should be, well ... suspicious as to one's chief-executive cred. Yet Trump's Atlantic City casinos filed for bankruptcy protection twice. A very perceptive observer of the financial scene, Gary Weiss, has explained some of the background: He sold junk bonds to finance his casinos and, by 1991, was so overleveraged that he was seeing his empire stripped by the banks. "Already more than $3.8 billion in the hole and sliding perilously close to a mammoth personal bankruptcy, the brash New York developer had no choice but to accept the dismantling of his vast holdings," Time magazine reported. Leave it to Trump to fail in a business that became a m...