Glen Crothers spoke on the topic, “The 1846 Retrocession of Alexandria: Protecting Slavery and the Slave Trade in the District of Columbia.” Stanley Harrold spoke on the topic, “Gamaliel Bailey, Antislavery Journalist and Lobbyist.” They responded to questions from members of the audience. Professor Finkelman, the spring symposium program director, served as moderator.

The U.S. Capitol Historical Society 2007 Spring Conference “Congress and Slavery in the District of Columbia” is the fourth in the series, “The National Capitol in a Nation Divided: Congress and the District of Columbia Confront Sectionalism and Slavery.”