The accompanying news, however, has a neat symmetry: drug use among 18-to-25-year-olds is up more than 2 percent since 1994, to 15.6 percent.
One conclusion: the teenage troublemakers of the past few years are fast growing up. And youngers, apparently, are not taking up the torch. Which must be reassuring to the boomers, who would love to see drugs back where they remember them: back in college.