Medicare for All remains on the congressional docket. Sen. Bernie Sanders, I-Vt., recently re-introduced his bid for a single-payer system, claiming it would guarantee all Americans health coverage while lowering costs and saving lives.

That's a compelling sales pitch. However, the reality is that Medicare for All would outlaw private health insurance and force millions of Americans onto a single government-run plan. And contrary to what its proponents might suggest, Medicare for All would lead to worse care for patients at higher cost.