It is going to get done.

Clearly, there's no room for people working impaired in the coal mines. We work in fairly confined areas with large pieces of equipment, and there's no room for error.

It would probably keep outlaws out of the business.

For all kinds of reasons, the labor pool is smaller.

But we have concern about any requirement for wireless tracking and communication because -- for now -- that technology doesn't work in a deep mine.

It's important that we monitor these miners with problems.