what is the -- if there's a singular objective that you see here by these demonstrators, what would that be? >> i think we're really struggling to define who we are. this conversation started a very long time ago. i don't think -- i think for the most part -- for many white americans the idea of post-racialism was very attractive coming out of the obama presidency, the idea that we had sort of crossed a lot of these boundaries, that the days of water hostages and, you know, very, very overt racism were sort of over. then we started to talk about microaggressions and covert racism. here we are in 2017 confronting hate groups and at a level i don't think we've seen in a very long time. there's this big conversation we're having about who are we as americans? what do we look like as americans? a lot of what we're seeing the undercurrents of this and these