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PBS NewsHour

Mining Online History for What May Have Radicalized Brothers


In Boston, a memorial service honored a police officer killed during the manhunt for the Tsarnaev brothers, while new information was released about the bombing suspects. Judy Woodruff talks with Jerrold M. Post of the George Washington University and Jessica Stern of Harvard University about how people turn to radical violence.

Episodes of PBS NewsHour44

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Previews of PBS NewsHour3

PBS NewsHour

State of the Union 2016

PBS NEWSHOUR offers live coverage of President Obama's speech and the Republican response.


PBS NewsHour

PBS NewsHour Weekend

Premieres Saturday, September 7, 2013 at 6 p.m. ET.


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