Commentary Martin Luther King Day is unique among national holidays in that it honors the one American who profoundly described and demonstrated through love and non-violence a picture of the fulfillment of core values expressed in both the country’s founding Declaration of Independence in 1776 and in President Abraham Lincoln’s Gettysburg Address in 1863. The Declaration’s self-evident truth “that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty, and the Pursuit of Happiness,” wasn’t realized when the U.S. Constitution was ratified some 14 years after the Declaration. Nor was Lincoln’s Gettysburg proposition “that all men are created equal” fulfilled through the Civil War’s Emancipation Proclamation that abolished slavery. In King’s most famous “I have a dream” speech, delivered before the Lincoln Memorial in Washington, D.C. on Aug. 28, 1963, it was as if the Almighty was calling America …