If you have health insurance the chances are high that it is managed by a ‘Pharmacy Benefit Manager’. PBM’s are connectors between drug manufacturers and patient’s health plans and have a large role in determining drug costs. FOX’s Trey Yingst speaks with Marc Blum, Executive Director of ‘America’s Agenda’, who says his organization is taking a look at PBM’s in an attempt to shine a light on how they take advantage of the system in order to increase revenue.