A light breeze floated across Zimbabwe, picked up speed in Botswana darted north over Egypt, sailed west to Morocco, and then blew across the Atlantic. A zephyr carried voices of Africa to our ears and into our hearts. Two African poets share their verses; an American screenwriter conveys his behind the scenes treatment, Hollywood-style, of Ali and Foreman's "Rumble in the Jungle;" and a woman studying elephants, like Goodall studied chimpanzees,...