There is a growing and voluble trend among scholars and journalists that we quite some time ago let go of the real King in favor of a caricatured legend–or, as Charles Blow of The New York Times just termed it: the “Dream King.”  This is a good day to reflect on the real story. Martin Luther King Jr. would have turned 91 years old last week, January 15.   As a pastor’s son growing up in the “Sweet Auburn” section of central Atlanta, pranking his friends and mimicking preachers with wicked accuracy, he likely never dreamed that the day of his birth would be designated a federal...