Morning Joe 04/22/13

Boston Police Commissioner: Closing down city was right decision

Boston Police Commissioner Ed Davis joins Morning Joe to discuss the latest in the ongoing and active investigation into the Boston Marathon bombings, the health of MBTA Transit Police Officer Richard Donohue and the lessons learned from locking down the entire city of Boston as the manhunt for the Dzhokhar Tsarnaev continued. ... more Duration: {{video.duration.momentjs}}