Medicare for All Would Worsen Our Existing Health-Care Problems

We should heed the example of the U.K. and Canada, where single-payer is a disaster.

Bernie Sanders, the Vermont socialist who is the new chairman of the Senate Health, Education, and Labor Committee, has one great goal left at age 81. He will be spending most of his time trying to convince Congress to enact a single-payer system and eliminate private health insurance.

But Medicare for All would harm and perhaps kill many Americans. Just look at the pain and suffering that England’s version of single-payer, the National Health Service, is...