The "Living St. Louis: Dred Scott and 'A More or Less Perfect Union'" video explores the historical significance of the Dred Scott case and its impact on the United States. Presented by Ruth Ezell, this educational content delves into the infamous U.S. Supreme Court decision of 1857, which denied Dred Scott, an enslaved African-American, his freedom. The case is a pivotal moment in U.S. history that contributed to the Civil War and subsequent constitutional amendments that abolished slavery and granted citizenship and voting rights to former slaves. The video features insights from Lynne Jackson, president of the Dred Scott Heritage Foundation, and is part of the "A More or Less Perfect Union" series, hosted by Judge Douglas Ginsburg. This educational video is crucial for school-aged children to understand the evolution of civil rights and the importance of the U.S. Constitution in shaping American society.