By Thomas Gallatin, The Patriot Post - On the steps of the Lincoln Memorial 57 years ago Friday, Martin Luther King Jr. famously gave his “I Have a Dream” speech. Seeking to exploit and co-opt that momentous event in the history of the civil rights movement, the infamous race hustler Al Sharpton, along with members of his leftist National Action Network, organized a rally of Marxist Black Lives Matter1 activists entitled, “Commitment March: Get Your Knee Off Our Necks.”