> In nearly every state where marijuana has been decriminalized, legalization has been followed by an upswing in illegal activity. Many entrepreneurs keep a han

> In nearly every state where marijuana has been decriminalized, legalization has been followed by an upswing in illegal activity. Many entrepreneurs keep a hand in each world: legal growers in California often divert half their product to the illegal market as a safeguard against industry volatility (and to pad their bottom line) That kills one argument for legalization