From Stalin to Steve Jobs, from Brezhnev to Berlusconi, from Hitler to Marilyn Manson: some of the world’s most recognized figures have been reinvented in a new exhibition by a young Russian artist who prefers comedy to politics. ­Kazakhstan-born Victoria Tsarkova studied icon painting, and says the heroes of her portraits could be described as “iconic” just as well. ­The 29-year-old artist...