“Boston Marathon Tragedy & Aftermath” featured Boston Police Commissioner Edward Davis,  former Assistant Secretary for Intergovernmental Affairs Department of Homeland Security Juliette Kayyem, Harvard Divinity School Dean David Hempton, Director of MEMA Kurt Schwartz, WBZ Anchor David Wade and Harvard Kennedy School Dean David Ellwood.  The extensive conversation touched on terrorism, coordinated city, state and federal responses, impact of the media, and the resilience of Boston.