Hollywood Cliffhanger: Can U.S. Summer Box Office Ring Up All-Time Record $4.8 Billion?

The summer domestic box office is so close —so close–to hitting an all-time record, which would surpass the $4.756 billion held by summer 2013. Currently, per Rentrak, the North American box office for the first Friday in May through EOD today stands at $4.598 billion, officially the second-highest summer ever behind 2013. If this summer…