We begin with a conversation about the controversial practice of hydraulic fracturing, or fracking . There are some who believe that if this type of gas drilling were allowed in Western Maryland, it could generate up to 3,000 jobs and at least $5 million in annual tax revenues. But many have concerns about the impact on the environment and public health. We’ll hear from Dr. David Vanko , the former head of the Maryland Fracking Commission, and co-host Nathan Sterner talks to Dr. Brian Schwartz,