I've seen a few articles in the last year pointing out that the diff between the USPS being in the black or the red is the cost of funding health care in its pe

I've seen a few articles in the last year pointing out that the diff between the USPS being in the black or the red is the cost of funding health care in its pension system, something Congress mandated a few years back. This past year's funding they had to put aside $5.5 billion, IIRC.