'Mockingjay -- Part 2' dips to lowest opening in 'Hunger Games' series

Looks like Katniss Everdeen is facing an even bigger threat than President Snow: viewer ennui for "The Hunger Games: Mockingjay -- Part 2." 

Friday brought an opening box office haul of $46 million for the fourth and final installment in the popular dystopian movie series starring Jennifer Lawrence...