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PBS NewsHour

Letters Tainted with Ricin Sent to President Obama, Congress


In aftermath of the attack in Boston, letters sent to President Obama and members of Congress tainted with the poison ricin were intercepted by authorities before delivery. Hari Sreenivasan talks with WNYC's Todd Zwillich, who says the potential scare has many edgy especially on such an unusual day on Capitol Hill.

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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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