Now, we could overcome this lack of information by setting up experiments and getting people to take these substances and then say, "Drive in a simulator." That's called Grand Theft Auto. Or, potentially, send them around a racetrack. But because of New Zealand's health and safety laws, I don't think that anyone who owns a racetrack would be prepared to have people who are under the influence of illegal drugs operating on their racetrack. And because these drugs are still illegal, it would be next to impossible to establish a trial—a medical trial—that met ethical standards—