Our for-profit health insurance system: It's worse than we think.

On our side, it's almost impossible to sort out the ever-changing rules, restrictions, and charges. Wendell Potter knows what they're up to and why.

We’ve posted before, here and here, about the huge problems at UnitedHealth Group, the largest healthcare company in the world—likely way too big. The murder of the CEO of UnitedHealthcare last fall unveiled issues that started a rapid escalation of stories and collapsed stock, with United’s stock now valued at a third of what it was last fall. But Unit…