The coal miners’ union wants a huge, bad bill to be passed for one provision that benefits them … a benefit that could conceivably be passed with separate legislation
The union noted that the legislation includes an extension of a fund that provides benefits to coal miners who suffer from pneumoconiosis, or black lung disease. The fund is set to expire at the end of the year.
That's the gist of a poison pill. They coat it in sugar so it tastes good to people who are asked to swallow it, but it will kill them in short order.
Ah the special interest groups at war with each other eh.