true and honest. and capable. kids are capable of understanding contradiction. school groups are going to sand creek. they're looking at the word massacre, hearing this thing and going, that's too bad. how did that happen? we're just asking questions. nobody is saying this group is bad. this group is good. they're saying bad things happen amidst the extraordinary things that have occurred in the story of the united states, which has been my beef for 50 years. >> it has. and you've done it better than anybody in these documentaries. you know, i love this country so much, and that means i love facing down our failings. and celebrating our greatness and, ken burns, you help us do both. thank you so much. you can watch the new opinion documentary at washingtonpost.com. that does it for us this morning. stephanie ruhle picks up the coverage right now. ♪♪