Today in History for Tuesday, March 13th

On this day in history: Uncle Sam cartoon debuts; Teaching of evolution outlawed in Tennessee; Deadly rampage at Scottish elementary school; Brigadoon opens on Broadway. (March 13) Subscribe to the Associated Press: http://bit.ly/APYouTube Download AP Mobile: http://www.ap.org/mobile/ Associated Press on Facebook: http://apne.ws/c7lQTV Associated Press on Twitter: http://apne.ws/bTquhb Associated Press on Google+: http://bit.ly/zuTKBL