Still reeling from last week’s turmoil in Washington? Yeah, same here. We thought it would be a good time to bring you a rebroadcast of last September’s show on violent extremist groups and their recruitment strategies. What draws young people into the toxic universe of far-right groups that pine for a white ethno-state? The temptation to hate often begins with innocent chatter before it’s fed by degrees — and algorithms, says Cynthia Miller-Idriss, a sociologist and education expert who tracks such groups.