‘The Hot Zone’: How it took 25 years to bring the terrifying book to screen

Richard Preston's 1994 book "The Hot Zone" brings an Ebola outbreak among monkeys into terrifying relief. Now, over 25 years since its publication, the author explains how the similar pandemic film "Outbreak" beat out his own book's adaptation, and how Robert Redford and Jodie Foster reportedly squabbled over a romantic subplot in the script.