Studies have shown children of veterans with PTSD are more likely to develop their own mental health problems.

As the US confirms its withdrawal from a major arms control treaty that Moscow is reportedly breaching, military strategist Paul Dibb discusses the extent of China's intermediate-range missile development and warns it is a direct threat to Australia.

Steven Ratner, professor of international law at the University of Michigan, discusses the murder of journalist Jamal Khashoggi and the reaction of Turkish President Rececp Tayyip Erdogan - who described the killing as savage and pre-meditated - with PM's Linda Mottram.

With house prices falling on average around $1,000 per week by some estimates, is Australia's housing affordability crisis being solved by the free market? Or do governments have more work to do?

The Victorian Government vowed to implement all 227 recommendations of its Royal Commission into Family Violence, but campaigners worry that a lack of political will and reform fatigue will halt reforms.

The AOC is calling for millions of dollars in extra funding from the Government to help bolster elite athletes' performance at the 2020 Tokyo Olympics. But when purse strings are tight, how much money does elite sport deserve?

On Wednesday's PM: military strategist Paul Dibb on the US plan to scrap a nuclear weapons treaty with Russia; Saudi Arabia may have flouted international law in the death of Jamal Khashoggi, but can Turkey prosecute those who committed the crime on its soil? And domestic violence campaigners warn of flagging momentum in the wake of Victoria's 2016 Royal Commission.

The Federal Government says it's keeping open the option of imposing sanctions on Saudi Arabia over the death of Saudi journalist Jamal Khashoggi. Foreign Minister Marise Payne has not ruled out following in the footsteps of Germany by halting arms sales.

On today's program: Donald Trump stirs up anti-immigration sentiment against a caravan of Central American refugees heading to the US border; Russia says it will start building up its nuclear arsenal if the US does; And the Chinese President has opened the world's longest sea-bridge - linking Hong Kong and Macau with mainland China - after almost a decade of construction.

Russia says it'll be forced to respond in kind, if President Donald Trump quits a nuclear arms treaty and begins building up the US nuclear arsenal as threatened.