ABC News Investigates Top Doctor Awards: Are They Always Well Deserved?

One of 2012's America's "Top Dentists" hasn't practiced a single day of dentistry since his training days were over in 1986. Dr. Mark Silverberg did graduate from dental school, but instead of becoming a dentist he followed his life's calling to medical school. And despite working as a board-certified anesthesiologist, not a dentist, in Chicago for more than twenty years, the Consumers' Research Council of America-- an organization that provides the public with "information guides for...Full Story