theory sweeps through, the aclu sued oklahoma arguing its new law banning diversity training in public schools violates freedom of speech. this is cueing up a legal battle revealing just how terrified some americans are of facing our past. joining me now, dr. kelly carter jackson. a professor at wesley college and is featured in msnbc's new documentary, civil war, which looks at all the ways americans frame their civil war stories. that's airing tomorrow night at 10:00 p.m. here on msnbc. i watched it. don't want to miss it. dr. jackson, i mean, first of all, you were great in the documentary. i loved your comments that you were making, but you know, i was so infuriated at some of the comments i heard in the documentary by people who were dismissive of history and truth and data. you make a good point that it's