How Massachusetts sports betting is pushing the limits of 'responsible gambling'

Mobile sports betting in Massachusetts has brought in more than half-a-billion dollars since being legalized in March. But many experts have warned that we don't have enough guardrails in place to protect people from predatory sports gambling. Radio Boston spoke with a gambling addiction counselor, who's in recovering from gambling addiction himself, and the head of a national nonprofit about the dangers of trusting "responsible gambling."