HARPER'S WEEKLY, New York, March 17, 1900  The Boer War;The Isthmian Canal Projects; Education in Cuba; The Sportsmen's Show in New York; Hu-Nan; doublepage centerfold "Phases of Metropolitan Life - I. After Dinner At The Waldorf-Astoria" by Keller; fullpage "The Last Port" by Russell;  The Sin of Witchcraft Capetown by Kipling; and other news of the day. See photos for full details.