Understanding America’s Great Migration, Apr 5, 2022, In-Person & Live-Streamed Mar 24, 2022 | News & Photos, Upcoming Events Fr. Ron Sajdak invites us to be part of a community conversation based on this conscience-altering masterwork by Isabel Wilkerson. The presentation will also be live-streamed at clarencepresby.org. Fr. Ron Sajdak invites us to be part of the community conversation.April 5, 2022 at 7 PM.