I agree. Yes, the technology is there. We have done studies in the past and convinced ourselves that with some issues.... If you're trying to, for example, use electrification adjacent to non-electrified lines or mix commuter rails with freight rails, some things still need to be worked out there. But by and large the technology is there, and the only real barrier to us is that it's a huge capital investment. It's an investment that we haven't really had the right environment yet to do, and—
