Unnerved by an unspoken mix of political bias and racial queasiness, the major media have chosen to know as little about Trayvon Martin as they know about Barack Obama. As a case in point, consider this boy vs. man fable spun by the New York Times' Charles Blow: A boy's blood had been spilled on a rain-soaked patch of grass behind a row of mustard-colored condominiums by a man who had pursued him against the advice of 911 dispatchers. That man carried a 9-millimeter handgun. The boy carried a bag of candy. Blow was writing seven weeks after Trayvon's death....