A 1996 household survey dealing with drug abuse revealed that 13 percent of persons eighteen to twenty-five, 6 percent of persons twenty-six to thirty-four, and 2 percent of persons thirty-five years or older had smoked marijuana within the last thirty days (Maguire and Pastore 1998, p. 246). The same survey showed that nearly a quarter of persons eighteen to twenty-five had smoked marijuana within the past year and about half of persons eighteen to thirty-four had smoked marijuana at least once during their lifetimes. (The prevalence of marijuana use is considerably greater among males than among females, so these statistics understate marijuana use among young adult males.) A different population survey, also conducted in 1996, revealed that the legalization of marijuana use enjoys considerable support among young adults: 38 percent among respondents eighteen to twenty, 30 percent among respondents twenty-one to twenty-nine, and 28 percent among respondents thirty to forty-nine (Maguire and Pastore 1998, p...