For those of you who weren’t, um, aware that yesterday was National Methamphetamine Awareness Day, Bill Piper of the Drug Policy Alliance has a holiday card for you. Among his several well-reasoned critiques of our nation’s approach to the speed problem – which Piper sums up as “incarcerate as many methamphetamine offenders as possible and hope for the best” – is the nugget that California’s policy of diverting low-level offenders into treatment instead of prison has saved taxpayers over one billlion dollars in the last five years.