Drive north on 17th Street, look left and up, and there it is. Kasey Montgomery hung a Confederate flag in his dorm room window at UNL to honor his Southern heritage but created controversy in the process. Despite complaints from students and university officials asking Montgomery to take it down the flag remains. It's a three-by-five-foot cut of polyester made in Taiwan, bought in Virginia and displayed in a North Carolinan's University of Nebraska-Lincoln dorm room. It's a piece of U.S. history linking our nation's only Civil War to George Wallace standing in a schoolhouse doorway to the bumper stickers...