Investor’s Business Daily: Not a day goes by without some big leader warning the world of the coming food crisis. A week ago, it was U.N. Secretary-General Ban Ki-moon’s turn in the race to the microphone and camera. "The rapidly escalating crisis of food availability around the world has reached emergency proportions," he said, repeating pretty much what World Bank President Robert Zoellick and President Bush had said just a little earlier. But it doesn’t matter who gets to the microphones in …