For 200 years, there have been two schools of thought about what determines the distribution of income -- and how the economy functions. It is important to understand both, because our views about government policies and existing inequalities are shaped by which of the two schools of thought one believes provides a better description of reality.
It's not what Donald Trump is against that bothers me. It's what he's for. So much attention has been paid to his immigration stance from a race perspective that no one seems to care how anti-free market his platform is. Trump is running on economic fallacies that have been consistently refuted by free market economists for hundreds of years.
Even with Medicare and Medicaid, tens of millions of Americans lack access to adequate medical care. Many millions have been plunged into bankruptcy because of medical expenses. Obamacare was established to deal with these stark facts. The case of Luis Lang demonstrates that Obamacare is only a step in the right direction.