then political consultants harlan hill and brian geer dusky offer their thoughts on the rise of nationalist populist movements in the u.s. and abroad. later booktv looks at books about democratic presidential nominee joe biden in the upcoming presidential election. it all starts now on booktv on c-span2. for more information visit booktv.org or check your program guide. >> hi, i'm bill so cool and electable commute this afternoon to the osher lifelong learning institutes the first in a series of presentations on america's unfinished business. the presentation this afternoon will be with doctor lawrence rosenthal, we will be talking about the far right, white supremacists from the streets to the white house, spreading out globally, looking at it historically, probably dealing with terms like fascism and populism and nationalism but before we do that i want to spend just a moment talking about what we are going to do with the technology. number one, asking all the videos to stay off. so we don't get video bombed and so that we use all of our bandwidth for the conversation as opposed to video.