how did the lincoln ministration -- administration labeled the policies with the sand creek massacre? two, will this affect the interpreting of other tragedies that occurred in the united states? >> those are really good question, but they are not really quick. [laughter] >> sorry. how indianirst one, polity -- federal indian policy figure into san creek. i am writing a book about that right now. that is a really obnoxious history and answer -- you have to read the next book. which probably will not come out for another 10 years because i'm very slow. but i will give you the very short answer and just say that i think the civil war, as i indicated in the talk, was both -- or i should say became both a war of liberation, but emerged from the get-go as a war of empire. the 1860 election, which tends to be remembered popularly, and also to some extent by historians, as an election that was fought over the fate of slavery was an election that was fought over the fate of slavery in the american west. the question was whether or not slavery would move into territory that had been conquered