Laws Against Weed Since Mexico Relaxed It's Laws Against Drugs, If It Works, Should The USA Do It Next?

Since Mexico relaxed it's laws against drugs, if it works, should the USA do it next? - laws against weed

Now you can not go further in Mexico prison for smoking marijuana and other drugs, and you will not be finished.

But if you sell it, go to jail. But whether it works, if the U.S. had the same right?