Could David Fincher Save Brad Pitt's 'World War Z'?

Let's be real: 2013's World War Z wasn't good. Sure, it may be the highest-grossing zombie flick of all time (it made $540 million USD at the box office against a reported $190 million USD budget), but the release ultimately paled in comparison to Max Brooks' 2006 bestselling novel of the same name thanks to countless reshoots and rewrites, a crappy ending and some decidedly poor post-production CGI work. For star Brad Pitt and his Plan B Entertainment (which produced the movie and owns the film...