“When you choose a puppet, you’re looking for a sweet spot,” one source close to Putin said. “You want to choose someone who’s dumb enough to be manipulated, but not so dumb that he can’t find the light switches.”

http://www.newyorker.com/humor/borowitz-report/putin-starting-to-wonder-if-his-puppets-are-smart-enough-to-pull-this-off?mbid=nl_021417 Adam Borowitz 14th February 2017

Chris