Facebook Security Breach Affects 50 Million Users

At least 50 million Facebook accounts have been compromised through a vulnerability on site. How did it happen?
The US Senate has decided to postpone the final vote on the Supreme Court nominee Brett Kavanaugh, allowing the FBI to conduct a week-long investigation. Also on the programme, the secret of happiness at work and why local businesses are suffering due to a lack of public toilets.
Presenter Roger Hearing is joined by the Australian Broadcasting Corporation's Clive Hunton in Canberra.