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A network of captives\u2019 families has sprung up to accomplish what Israel\u2019s government has so far failed to do\u2014and may yet emerge as a political force. Protecting rhinoceroses from poachers is an expensive business; we look at what has become a bear market for rhinos (12:37). And why a coin toss is not the even-odds proposition you might think it is (20:30).

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