South Australian senator Simon Birmingham has announced his political retirement, hinting at his next steps.

The opposition foreign affairs spokesman and Coalition senate leader will quit at next yearâs federal election.
Birmingham, the South Australian Liberal Partyâs most senior moderate, said he will take a ânew commercially oriented directionâ.
But he ruled out lobbying, government relations or commentary.
Referencing an ancient Persian proverb, Birmingham said: âNow it is time for my parliamentary service to also pass.â
âSome will be kind enough to be disappointed to see me go⌠but some,  to them, I am sorry, especially for those who feel that Iâm letting them or the team down at this time,â he said.
âIt is always better to go when there are some wishing you to stay, and none of us is irreplaceable. Now is the right time for me, for my family and for new career pathways.â
Birmingham entered parliament in 2007 and has served as trade, finance and education ministers in coalition governments under Malcolm Turnbull and Scott Morrison.
The leader of the Liberal moderates is respected across the parliament, and with 17 years of experience is seen as a loss to the party.
The 50-year-old backed in the former Morrison governmentâs handling of the COVID-19 pandemic.
He also took aim at Chinaâs âabuse of powerâ when it slapped punitive trade sanctions worth $20 billion on Australian products.
âAustralians should be proud that our businesses, our economy and our nation withstood that attempted coercion,â Birmingham said.
He rejected the âperceptionsâ peddled by some in parliament that it was a universally toxic workplace.
âWhilst we should never tolerate the type of behaviours that led to the Jenkins report, the whole should not have their experiences universally besmirched,â he said.
The senator said little was gained by culture wars which risked social cohesion in a country like Australia.
âThe rise of the global rise of populism and divisive tribalism peddled by ideological extremes troubles me,â he said.
Thanking his wife and children, Birmingham fought back tears, as his family watched on from the public gallery.
âThose of you who have the honour of continuing in this place, carry a great responsibility,â he said.
âI wish you well, do good, make a positive difference. Thank you, and farewell.â
He received a standing ovation after his speech, and Foreign Minister Penny Wong leant over to shake his hand.
Opposition Leader Peter Dutton thanked Birmingham at the end of Question Time.
âBirmo has a young family and I know heâs going to look forward to spending more time with them, and heâs given an enormous amount to our country,â he said.
Prime Minister Anthony Albanese said the Liberal senator had âvery broad respect right across the parliament, and he certainly has my personal respectâ.
âHeâs someone who is someone of integrity, who is easy to deal with and to get things done,â he said.
âSo to Simon and Courtney and their family, it is understandable that heâs made this decision, but I wish him all the very best.â
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