Ricardo Cortes talked about his book, A Secret History of Coffee, Coca and Cola, in which he chronicles attempts to prohibit the use of coffee and coca in the U.S. and around the world. He also talked about the secret deals made by top U.S. anti-drug official, Harry Anslinger, to keep the Coca-Cola company supplied with coca while simultaneously pushing to ban its use worldwide. He spoke at Busboys and Poets in Washington, DC.