Good health care depends on good health coverage, particularly for the most vulnerable. The Affordable Care Act expanded Medicaid eligibility and created exchanges where many Americans could access health insurance, often at a subsidized price. These new pathways to affordable coverage led to the...

The Change Healthcare cyberattack on February 21st upended a huge slice of the U.S. health care system, virtually crippling all aspects of the patient care continuum when the clearinghouse’s services were hacked. That is because Change Healthcare processes 15 billion claims totaling more than...