MinnPost, a nonprofit, nonpartisan digital news enterprise, will hold its MinnPost Festival Friday, Sept. 22 and Saturday, Sept. 23 at the 1893 Grain Belt, 1215 Marshall St. NE. Some sessions are paid; others are free. Friday, will feature a reception and keynote from Samantha Bee. The award-winning comedian and late night host discusses the political and media landscape shaping our country today. Saturday will be a day-long event, with sessions about civic life in 2023. Sessions include a conversation with…