Today marks the 70th anniversary of the first offensive land operation taken by the United States in World War II. On August 7, 1942, the U.S. Marines landed at Guadalcanal. The general outlines of that battle which lasted which lasted 6 months until February 9, 1943 are known by many but here are 19 things about Guadalcanal that you might not know. This is the first of my regular "20 Things You Don't Know" posts that I hope will encourage the History Channel to bring back that series. You can read my full mission statement about this in my...