Come learn about the rivalry between the North-enders and the South-enders; where President Lincoln spoke; George Washington's tree; and Teddy Roosevelt's bed. Boy Scout Troop 81 and Cub Scout Pack 81 of Concord are hosting a Hike-a-Thon throughout Concord on Saturday, April 10. In celebration of 100 years of Scouting in America, the hike includes "A Magical History Tour" that is… 0