Leaders from the private sector and academia are weighing in on a proposal to merge giants in health care retail and insurance. Plans call for CVS Health Corp. (NYSE: CVS) to acquire Aetna Inc. (NYSE: AET) in a deal valued at $69 billion. Indianapolis-based OurHealth co-founder and Chief Executive Officer Ben Evans says the deal is characteristic of "this impending collision of insurers and providers," where insurers and health care providers are competing for the patient.