Rachel Maddow gives a special preview of her new podcast, “Rachel Maddow Presents: Ultra.” In this eight-part original series, Rachel tells an all-but-forgotten true story of American extremism getting supercharged, connecting the dots between sitting members of Congress aiding and abetting a plot to overthrow the government and the lengths they would go to in order to cover their tracks. Follow the series now: https://link.chtbl.com/rmpu_fdtw