Nearly 90 percent of those arrested in relation to the Capitol insurrection were not part of far right extremist groups or militias. And though their actions were extreme, their motivations and beliefs are part of a larger movement that University of Chicago political scientist Robert Pape describes as "mainstream."How have those groups evolved in the year since the Insurrection? And what does it mean for the extremism that fueled the insurrection to become mainstream?Want to support 1A? Give to your local public radio station and subscribe to this podcast. Have questions? Find us on Twitter @1A.