"Spellbinding" is not a word I throw around lightly. Where South African filmmaker Jaco Bouwer’s latest film “Gaia” is concerned it is richly deserved. While this is a film with a few issues, what works overpowers flaws. Gaia is the goddess of the Earth in Greek mythology. In the seventies, scientist, environmentalist and futurist James Lovelock developed the “Gaia hypothesis,” one that envisages our planet as a super organism that remains alive