Upholding the lower court’s ruling would affect 20 million people who get medical coverage under the law and could upend the health care system
Associate Justice Anthony Kennedy had been a swing vote on the issue
Congress is not done with health care
This is where it gets complicated
The upper chamber will have its own struggles ahead
But dropping the appeal of a lawsuit would immediately end cost-sharing help for up to six million people and would almost certainly send the insurance market for individuals into chaos...