Shiraz Maher, Director of the International Centre for the Study of Radicalisation and Kori Schake, Deputy Director of the International Institute for Strategic Studies, join Christiane Amanpour to discuss Turkey's military offensive in Syria. Jane Fonda, actress and activist, talks about her recent arrest at a climate protest. Our Hari Sreenivasan talks to Raj Chetty about how he's using Big Data to give disadvantaged children the same opportunities he had.

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