The Tulsa race battle a hundred years ago was begun because a black man arrested for an alleged rape was said to have been lynched, a false rumor, which caused armed blacks to seek retribution, then met by white firepower, the death toll estimated around 300 black and white, so president Trump having picked Tulsa for his first post wuhan rally set for next Friday night is significant in light of his tweet this morning that Those Who Deny Their History are Doomed to Repeat It.