The same arguments were made during alcohol prohibition.
When drugs were legal, we never had the same problems that we have today. The war on drugs is big government on steroids.
You can't see difference legalizing something that has been illegal and criminalizing something that was legal?
And, more citizens have died due to drunk driving than due to murder over the past 30 years. So, why do we need more legal ways for citizens become intoxicated? How many more lives are you willing to see lost per year so losers can smoke pot?