Green vs Conservatives on drug policy

Are you in favour of decriminalising drug use? ^{stats discuss}

Green’s answer: Yes The individual use of illegal drugs should not fall within the criminal...Source

Conservatives’ answer: No The slippery slope is very real, because overseas it was for terminally ill patients then ... it was for people who say I’ve got a headache give me some marijuana, and we’ve got enough problems with zombified people in this country. We’ve already got huge mental health issues as a result of drug misuse and use, this just encourages it.”Source