It's not science, it's not art...
But at its best, it's a powerful mix of both of the above - underpinned by old fashioned nous and a sense of history.
It is political strategy.
In Australia we take about 25,000 refugees each year. Some say this is too much, others that it just isn't good enough.
But what are the other OECD countries doing? Could we do more? And how many refugees need a home worldwide?
Andrew Bartlett, Research Fellow in the Migration Law Program at the ANU joins Rod to discuss this.
Australian Greens candidate for Corangamite Mike Lawrence joined local residents and members of the Otway Ranges Climate Action group ORCA in Apollo Bay today to call for Hazelwood, Australia’s dirtiest power station, to be replaced with renewable energy.
The Australian Greens refugee policy is a compassionate, commonsense alternative to the way the old parties want to treat vulnerable asylum-seekers, according to Senator Sarah Hanson-Young.
Senator Hanson-Young, Greens Spokesperson on Immigration and Human Rights, says the Federal Government's ill-prepared East Timor processing centre idea coupled with the Coalition's return to the days of the notorious Temporary Protection Visas and the Pacific Solution, shows both parties are devoid of real leadership on this issue.
The Australian Greens want action now on a carbon price set by legislation as critical for climate change action Australian Greens Leader Bob Brown said in Canberra today.
"Energy efficiency, renewable energy measures and saving forests - as already put to Parliament by the Greens - are needed but are not substitutes for a carbon price," said Senator Brown.
"There is an estimated $50 billion investment in electricity production awaiting a carbon price signal.
"We are ready to set this signal with either a Gillard or Abbott Government after the election.
Australian Greens Leader Bob Brown says that today's Climate Institute report shows the Greens' policy of a carbon tax will save households and businesses money as power costs soar, helped by federal government and opposition inaction.
Statement by Senator Sarah Hanson-Young, Greens Spokesperson on Early Childhood Education:
"The Federal Government's announcement that it will pay the childcare rebate fortnightly rather than quarterly is a win for families, thanks to the Greens.
"The Greens moved the amendment to the Government's budget measure because we wanted to ease the burden on families who are trying to afford the costs of care for their children.
"The Government had made no effort to make this change, which cost nothing to the budget bottom line but would have a huge impact on family incomes.
"It was a change that the Greens initiated which had the support to pass the Senate.
Larissa Waters commented to the Townsville Bulletin on Greens prospects for coastal Queensland during last weeks visit by Bob Brown and Larissa to North and West Queensland: