Why MI6’s first female chief marks a turning point

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Britain’s foreign intelligence service has appointed intelligence veteran Blaise Metreweli to take the helm as MI6’s new boss. The World’s Host Carolyn Beeler speaks with Claire Hubbard-Hall, the author of “Secret Servants of the Crown: The Forgotten Women of British Intelligence.” They discuss Metreweli’s background, and how women’s careers in the world of British espionage have been shaped by gender.