By the roiling rapids of converging rivers, President Donald Trump's campaign to have the government tell a happier story of American history confronts its toughest challenge. There is no positive spin to be put on slavery.
At frozen-in-time Harpers Ferry National Historical Park, people in the National Park Service are navigating shoals that federal storytellers across the nation must now negotiate. How do you tell the truth if it might not be the whole truth?
