The legalisation of cannabis has long been debated and will come to a head imminently.
A public referendum on legalising the drug for personal use will be held before the 2020 election as part of the agreement between the Green and Labour parties.
It's a subject that divides opinion like no other.
Potential legalisation, you would hope, ensures the drug meets acceptable standards and removes criminal gangs from the equation.
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But then the most persistent argument against marijuana use is that it's a "gateway drug."
It ineluctably leads to the use of harder substances.