Around the country and across the world, the threat of a recession is looming and economic uncertainty is rising as markets, businesses and individuals adjust to a new reality: the Federal Reserve is raising interest rates and pulling back on its epic monetary experiment that started with the Great Financial Crisis. From the award-winning team behind “The Facebook Dilemma” and “Amazon Empire,” the two-hour documentary “Age of Easy Money” investigates how the Fed’s experiment has changed the American economy and what it means that the era may be over.