Some Democratic presidential candidates want to pursue a single-payer, government-run health care system. Virtually all who don't want to go that far endorse adding a public option to the existing structure.

Seems like a compromise, right? A decade ago, a public option was dropped from the Affordable Care Act because even some Democrats thought it was putting too much power in the government.

In this podcast, Galen Institute President Grace-Marie Turner explains why adding a public option wouldn't bring more competition to the health care market but simply grease the skids for single payer. She also discusses the looming cost to taxpayers if the U.S. goes down this road. Finally, she lays out the financial of Democrats wanting to extend taxpayer-funded health care to people in the U.S. illegally.