as soon as you say the word amtrak, people just -- >> pba. >> okay, pba. interest bonds. so it changes some of the architecture of the governance and decision-making process. but it still doesn't really resolve the funding issue, because it's still buried in the appropriations, federal authorizations and everything else. >> to an extent. >> to an extent. that tends to drive us toward the third model, which is the ansb, the fully privatized model because of the way you can go out and seek capital elsewhere rather than having to go through uncle sam to do that. but the question i have, and i'm going to start with marla is, is there another option that's kind of a hybrid where we can have the architecture, we can have the decision-making and still create a line of funding that is not subject to as much handling on the part of the government? >> i don't think any funding model like that has ever been demonstrated to work in this country thus far. i mean, we've had a number of trust funds. we have an airport trust fund that was not actually created to pay for the entire system