Original sentence: There, Eisenstein first considered the idea of making a film about Tsar Ivan IV, aka Ivan the Terrible, whom Joseph Stalin admired as the same kind of brilliant, decisive, successful leader that Stalin considered himself to be
Edited sentence: There, Eisenstein first considered the idea of making a film about Tsar Ivan IV, aka Ivan the Terrible, whom Joseph Stalin admired as the same kind of brilliant, decisive, successful leader that Stalin convinced himself he was