[Berlin_Freeper]

You would need to come up with a study that has a wholly separate cause for the documented rise in crime and drug use, so as not to be wasting people’s time with your predictable defense of drugs.

[JustSayNoToNannies]

Neither study appears to be available online - but from the press report they seem to be the rankest sort of correlation-equals-causation junk science.

You would need to come up with a study that has a wholly separate cause for the documented rise in crime and drug use

No I wouldn't - I would only need to note that all sorts of factors influence crime rates and drug use ... and that the press reports don't even say that crime rates and drug use hadn't been increasing before depenalization of cannabis.