Commentary The mayor of Chicago, Lori Lightfoot, wished the inhabitants of her city a happy Kwanzaa, the wholly invented African-American festival, which is about as African as Senator Warren’s descent is Amerindian. Ms Lightfoot made reference in her wishes to the seven guiding principles of Kwanzaa while her city was suffering yet more violence, and which, if applied, would allegedly lead to a better world, even a better Chicago. The names of the festival and its seven associated principles are Swahili words, Swahili being the beautiful language of much of East Africa and the lingua franca of extensive parts of Central Africa. The seven principles of Kwanzaa owe much to the ideology of Julius Nyerere, the man who was President of Tanzania for a quarter of a century after independence from Britain, who was for long the darling of the European left and who reduced his country to an incredible …