Justin Chang’s 2018 Toronto diary: Alfonso Cuarón’s ‘Roma’ and other riches from Venice enthrall the festival

Times film critic Justin Chang is keeping a regular diary over the course of seven days at the 2018 Toronto International Film Festival. He will be writing about the movies he’s seeing, the trends he’s observing and what it all means for an event that, along with the Venice and Telluride film festivals, kicks off the fall movie season.