What is your opinion about legalizing drugs like marijuana in California state?

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California is the only state in America that allows citizens to grow marijuana. It might be helpful in medication, but in other conditions, legalizing marijuana in California is very dangerous. I saw an interview about this issue in television today. There are so many families that are willing to leave their hometown California because they are afraid their kids will get involve in marijuana soon or later. The parents want to protect their children, so their best decisions are leaving California. What do you think about this issue? Should marijuana is legalizing or not?