One of the untold elements of the rapid decay underway in the ObamaCare exchanges is the massive shift toward the Medicaid managed care companies, and away from the traditional commercial insurers like UnitedHealth Group and Aetna. In short order, ObamaCare is evolving into a Medicaid marketplace. Not only in terms of the design and quality of the narrow-network plans that are being offered, but in the actual carriers that sell those policies.