David Blight sat down with Eric Foner, DeWitt Clinton Professor of History at Columbia University, to discuss Foner's new book, Gateway to Freedom, about the Underground Railroad in New York. The event, hosted by the Gilder Lehrman Center, was held at Yale University, Linsly-Chittenden Hall, 63 High Street, New Haven, CT. on Monday, April 13, 2015 at 4:30pm.