Pavel Basinsky, the well-known writer, journalist, and literary scholar, continues his literary investigation in a new book, “The True Story of Konstantin Levin.” He studies drafts and diaries of Leo Tolstoy, trying to uncover the role and meaning of this character in the novel “Anna Karenina.” Basinsky searches for answers to why Tolstoy devotes so much attention to Levin, how he affects the other characters, and who served as the prototype for this figure.