"We have automobiles. They are potentially dangerous, particularly if you’ve been in New York City in these past couple of days, the icy roads and so forth. Now, in the 1950s, automobile accidents were relatively high. We instituted some measures—seat belts, speed limits, all of those sorts of things. That rate, even though we have more cars on the road, has dramatically decreased. If people are really concerned about the dangers of marijuana, we’d be teaching people how to use marijuana and other drugs more safely, because they’re not going anywhere."