His winding social media post on Monday contained no reference to Vladimir V. Putin, the Russian president, who has been widely condemned after the death of one of his most vocal critics, Aleksei A. Navalny.
Trump. Indian food. Matthew Perry. And books, books, books. Excerpts from letters obtained by The Times show Mr. Navalny’s active mind, even amid brutal prison conditions.
At least 366 people were detained over the weekend, leading to concern that the arrests could signal greater government repression ahead of Russia’s elections in March.