With the compelling and thrilling new drama Eye in the Sky, we finally have a drone movie worth cheering about. After last year’s rather lame Ethan Hawke attempt The Good Kill, which mixed a soap operatic subplot into a genuinely potentially interesting story on the human emotional toll taken on Las Vegas-based drone pilots, Oscar-winning South African director Gavin Hood (Tsotsi) and screenwriter Guy Hibbert have tacked the controversial subject head-on with a…