7 tough questions single-payer advocates must answer before their ideas can become law

Single-payer health care is having a moment.

The unexpected success of Sen. Bernie Sanders’ (I-VT) presidential campaign, Democratic lawmakers searching for a new agenda in the Trump era, and the fact that Obamacare has revealed both the benefits and the limitations at a market-driven plan to expand health access have all combined to make a unified, government-run health plan seem like an attractive solution to our broken system.

Nearly every Senate Democrat with presid...