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What’s driving Russia to raise the stakes in Ukraine?

What’s driving Russia to raise the stakes in Ukraine?

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Caring for undocumented children who cross the border

Caring for undocumented children who cross the border

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Ebola’s spread hastens preparations for vaccine testing

Ebola’s spread hastens preparations for vaccine testing

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Ebola’s spread hastens preparations for vaccine testing

Ebola’s spread hastens preparations for vaccine testing

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3 million Syrian refugees strain neighboring countries

3 million Syrian refugees strain neighboring countries

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Shields and Brooks on Islamic State as ‘cancer’

Shields and Brooks on Islamic State as ‘cancer’

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Ebola outbreak started with funeral in Guinea, report finds

Ebola outbreak started with funeral in Guinea, report finds

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U.S. faces changing alliances and rifts in Middle East

U.S. faces changing alliances and rifts in Middle East

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Teens reflect on impact of Ferguson unrest

Teens reflect on impact of Ferguson unrest

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Sanctions ‘only pressure point West has’ in Russia conflict

Sanctions ‘only pressure point West has’ in Russia conflict

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Ukraine military facing 'overwhelming odds'

Ukraine military facing 'overwhelming odds'

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The duality and mission of ISIS on social media

The duality and mission of ISIS on social media

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PBS News Hour

Why do foreign fighters join the Islamic State?

Douglas McAuthur McCain, an American man who was killed while fighting for the Islamic State in Syria, is not the first U.S. citizen to die as an Islamic militant in the war-torn country, and the FBI warns there are dozens more still fighting. For more on why Americans and others are joining terror groups abroad, Gwen Ifill talks to Humera Khan of Muflehun and Jessica Stern of Harvard University.
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