The revelation of “Circus Days and Nights” is existentially simple and direct. Cut through a thin layer of tawdriness and cheap tinsel that may be on its surface, and you discover that a circus can exist only thanks to absolute trust. The life of every acrobat lies in unerring balance. Balance is the religion of circus life. Trust and balance, of course, are the two essential things our polarized societies need to regain. – Los Angeles Times