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Watch Meet the Press - Terror in Boston - April 21, 2013

Massachusetts Gov. Deval Patrick, NBC correspondent Pete Williams, Senate Majority Whip Dick Durbin and a roundtable of national security experts visit Meet the Press to discuss the latest developments in the Boston marathon bombing investigation.

A Meet the Press roundtable reviews the past week and how the Boston marathon tragedy united Americans in support for the victims and how it will impact the future of the American public safety landscape.

A Meet the Press roundtable of experts examines the aftermath of the Boston marathon bombing and the political implications the incident will incur.