I have a dream that my four little children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character. These powerful words resonate as clearly today as they did 50 years ago when, on Aug. 28, 1963, Rev. Martin Luther King Jr. stood on the steps of the Lincoln Memorial and called for an end to social injustice and the start of an era of racial equality. Standing in the shadow of the statue of the Great Emancipator, King shared his vision of fairness for …