The Learning Curve, 05/17/23 Source: Pioneer Institute “AEI’s Dr. Diana Schaub on the Founders, Lincoln, Frederick Douglass, & Civics.” (05/17/23) https://pioneerinstitute.org/featured/aeis-dr-diana-schaub-on-the-founders-lincoln-frederick-douglass-civics/ May 18, 2023May 18, 2023 Thomas L. Knapp