Hillary Clinton didn't pay health insurance bills for her campaign staff.

During the first two months of the year, the [Hillary] campaign did not pay down any of that debt. In fact, it accrued another $16,000 in unpaid bills last month, and it finished the month owing Aetna $229,000.
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But Arizona Sen. John McCain, the presumptive Republican nominee, did not report any unpaid bills to insurance providers at the end of February. And the only insurance-related debt reported by Obama, an Illinois senator, was $908 to AIG American International Group for - insurance."