VIDEO : Ronan Farrow Writes Scathing Letter to Stars Working With Woody Allen

Ronan Farrow wants the world to start asking tougher questions when it comes to his father, Woody Allen.
The famed writer and director is at the Cannes Film Festival, where he is set to open the event with his film, Café Society, Wednesday evening. Starring Blake Lively, Kristen Stewart and more A-listers, Café Society landed the coveted debut time slot?much to Ronan's chagrin.