Health Care Administration

Required Readings Read the following chapters in the textbook: Chapter 5& 6 Shi, L. & Singh D. A. (2014). Delivering Healthcare in America (6th edition). ISBN-978-1284047127; Publisher: Jones & Bartlett.
Why is it that despite public and private health insurance programs, some U.S. citizens are without any coverage? How do you see the PPACA (ObamaCare) impacting health insurance companies as an industry?