Your noon Briefing: PM says yes to US on Iran mission in Gulf

Your 2-minute digest of the day’s top stories.

Hello readers. PM signs us up to help US protect ships in Gulf, and the power and the passion of Don Dunstan.

Australian Prime Minister Scott Morrison speaks to members of the Australian Pubic Service (APS) during an address to the Address to the Institute of Public Administration Australia (IPAA) at Parliament House in Canberra, Monday, August 19, 2019. (AAP Image/Lukas Coch) NO ARCHIVING

ScoMo signs up to protect shipping in Gulf

Scott Morrison has agreed to US requests to join an international operation to secure the Strait of Hormuz against a hostile Iran. Greg Sheridan reckons the PM has made the right call.

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George Pell's appeal into his sex abuse conviction has been dismissed by the Court of Appeal. Main pic: Pell arrives at court this morning. Top right: Anti-sex abuse campaigners celebrate outside the court. Bottom right: Chief Justice Anne Ferguson delivers the judgment.

Defeated Pell heads back to jail

George Pell has been led away to resume his prison sentence over historic child sex offences after losing an appeal via a 2-1 split decision.

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A new biography on Don Dunstan has shed new light on his time as SA premier.

The long read: Don Dunstan’s affairs of state

In the space of a few years in the 1970s, Don Dunstan separated from his first wife and had at least four passionate affairs. All while he was South Australian premier. The day after Dunstan and his estranged wife sold their home, he began an affair almost immediately with Judith Pugh, the partner of one of Australia’s best portrait artists.