To paraphrase the late, great William F. Buckley, Jr., someone must stand athwart the federal ethanol program yelling, “Stop!” The emergency brake should be pulled -- NOW -- before ethanol wreaks further havoc. Poor Haitians rioted last week outside Port-au-Prince’s presidential palace, forcing Prime Minister Jacques Edouard Alexis’ April 12 ouster. Haitians are enduring food prices 40 percent higher than last summer’s. Some have resorted to eating cookies made of salt, vegetable oil, and dirt. That’s right: Dirt cookies. Developing-world denizens are taking it to the streets with growling stomachs. In Bob Marley’s words, “A hungry man is an angry...