"The admission rate for those who seek treatment for marijuana use nearly tripled between 1992 and 2002, according to the latest data compiled by the federal government."
I'm sure it has nothing to do with the CJ system sentencing offenders to substance abuse treatment. Blind sentencing guidelines have done a lot to line the pockets of campaign supporters of certain Judges.
And they keep up a steady revenue stream for Gov't through fines and lawyers through defense pleas.