The philosopher George Santayana said it best: "Those who forget their history are condemned to repeat it." It's been a quote used by history teachers and professors for more than 100 years, showing the importance of learning our history. But history isn't always pretty -- it can be raw, ugly, and absolutely terrible. President Trump's administration says it wants to erase the kind of shame associated with those awful events. But is that the best move... to ensure we don't repeat the atrocities of the past?