“An ignorance of history can prove fatal for any country. A narrow understanding that only reinforces biases and supports political factions is not much better. Americans need to know the entire story of who we have been — the good, the bad and the complex. That is how we perfect our union. That is how we make one nation from many.”
http://www.latimes.com/opinion/topoftheticket/la-na-tt-american-history-20170704-story.html