There's no evidence that it has any significant effect in reducing drug use - and it seems unlikely at best that people who are deterred from drug use by the risk of jail would under legalization be undeterred by the inherent harms of the drugs themselves.
and protects the children from predators
The WOD is failing our children; teens have been reporting for years that they can get pot more easily than cigarettes or beer - which stands to reason, since only sellers of legal goods have incentive to 'card' buyers.
We should have a death penalty for those who deal drugs
Dealers already face a greater threat of death from competitors than our Constitutional judicial system could ever pose - yet there is no shortage of dealers nor of replacements for every one caught or killed.
Druggies are losers and they can all rot in prison for all I care.