When Alexei Navalny flew back to Russia in 2021 he never made it through passport control. In an excerpt from Next Year in Moscow, The Economist\u2019s series on Russian opposition to the war, today\u2019s episode chronicles this period of his life. It\u2019s an account of what turned out to be the last three years of Navalny\u2019s life - peppered with his own words, and told by people who knew him well.