I'm assuming that you're not from Massachusetts,otherwise you wouldn't be asking that question.Let me explain...briefly.
"Coupe Deval",as he's known as around these parts,is a "Beautiful Person".He,like all other Clintonistas (he worked in Billy Bob's DOJ),has a heart as big as all outdoors.Therefore,he only enforces the laws that he personally agrees with.
Let's just say it's a Massachusetts thing.
I’ve spent some time in MA. But the state still amazes me. Sigh.