Climate change gets the blockbuster treatment on Showtime

Top Hollywood names turn the nine-part Showtime documentary, 'Years of Living Dangerously,' into a globe-trotting action-adventure story to attract a wider audience.Clad in a military-style flight suit and aviator shades, Harrison Ford walks across a sunny tarmac and climbs into a fighter jet and takes off. Soon, he's soaring 5,000 feet above California.