The opioid crisis seems to be coming full circle. As the Sackler family negotiated to pay a $6.5 billion settlement over their role in Purdue Pharma’s production of addictive opioids, Joss Sackler — wife of former Purdue board member David Sackler — admitted she had herself become addicted to the habit-forming drugs. That highly ironic piece of news was reported by Bloomberg. According to the outlet, Sackler pleaded guilty to obstructing a feder…