Ever feel like you’re one step behind? Massachusetts voted earlier this month to approve the use of so-called “medical marijuana.” Meanwhile, voters in Colorado and Washington state one-upped us, deciding simply to legalize pot altogether. No more games about decriminalization or having to manufacture fake diseases so one could get a fake prescription from a fake doctor. It’s just legal — like beer, wine, or (except in New York City) big sodas. Coming soon, one suspects, to a future Bay State ballot initiative: full-blown legalization. And in all likelihood, that too will pass. There are, in fact, some risks to …

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