Shortly after finding yesterday’s story about Express Scripts mail faux-pas, I was alerted to another news piece from written by David Dayen covering some of CVS-Caremark’s anti-competitive behavior. This article is worth reading as it does a good job of explaining many of the more complex and dishonest tactics a PBM uses, and it also points out some of the troublesome aspects of mergers of PBMs and insurance companies. Jump here to read more.