Professor Thom Brooks of Durham university, who advised on the first Brexit referendum, said the question for a second would have to be between Theresa May's plan, or staying in the EU.

The EU is refusing to negotiated further after Theresa May pulled the vote on her Brexit deal - and the developments are buoying those who think a second referendum could be a path out.

On tonight's program: The controversial emissions counting mechanism that the Government may use to meet its carbon reduction targets; Australian business warns Government plans to cut immigration could have dangerous consequences; And Hobart's housing crisis hits university students.

In the digital age, the fact Australians still vote using paper and pencils might seem a bit quaint, or even out of date. But researchers both here and in the US say hand-written ballots are actually helping keep Australian elections secure.

The largest ever group of institutional investors has called on countries to urgently increase their efforts to meet the Paris climate change goals.

The ATO is paying a global business outsourcing company millions of dollars to run its call centre. A subsidiary of the company, called Stellar, has been investigated for shifting funds from a European subsidiary to a tax haven, before it filed for bankruptcy and left taxes unpaid overseas.

It's been reported that the relationship between the incumbent, John Kelly, and his boss, Donald Trump has grown very difficult.

After years of delays, technical glitches and cost blow-outs, the first pair of Joint Strike Fighters have arrived at their new home at the Williamtown RAAF base.

The corporate watchdog has put Google and Facebook on notice, saying they have too much market power.

On Monday's PM: Australia gets its first joint strike fighters; reports recommend Australia stick with pencil and paper to protect voting from hacking; and former White House Ethics Lawyer, reflects on latest Mueller investigation.