USA Network and legendary journalist Tom Brokaw are setting out to capture the changing face of a nation in the documentary American Character Along Highway 50. Inspired by a series of photographs in USA Network's book American Character: A Photographic Journey, for which he penned the foreword, Brokaw will be hitting the road for an extraordinary journey along Highway 50, a route that has been called the "backbone of America." This historic road cuts a path through the…