Why the Arctic is a new source of global tension

As polar ice melts in the Arctic, shipping lanes are opening up, making the region a new zone of super-power competition. Writer Rana Foroohar spoke with Dave Davies about the stakes.

Her book is in Sea Change . Also, Maureen Corrigan reviews the new graphic book The Saddest Kitchens , by New Yorker cartoonists Roz Chast and Jason Adam Katzenstein.

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