What role did Alexei Navalny play in Russian politics? What were his roots? Why was he sentenced to 19 years in a maximum-security prison? And why was he ultimately killed? Russian journalist and a friend of Navalny’s of 20 years, Yevgenia Albats, citing Navalny's letters from prison, tells the story of the slain Russian opposition leader and what it means for the future of the country.

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