Radio National Breakfast

Today the beloved English broadcaster and natural historian David Attenborough celebrates 100 years on this earth and a lifetime of achievements.
We hear from one of his closest collaborators. 
We also follow developments in Iran with a former US diplomat, and get the latest on the Islamic State families who've now returned to Australia.
Recap the morning's news, politics and global affairs with the Breakfast Wrap.

From yet another rate increase to budget sneak peeks and tussles in the final stretch of the Farrer by-election - our Friday political panel discusses the week that was in politics. 
GUESTS Karen Middleton, political journalist with The Monthly
John Kehoe, Economics Editor at The Australian Financial Review 
Stephanie Borys, Radio National's Breakfast Correspondent

The federal government has unveiled its east coast gas reservation policy which will require gas companies to set aside 20 per cent of their exports for the domestic market from July next year.
The government says the policy will "drive down" prices and ensure Australia is no longer "hostage" to international markets following soaring global gas prices in the wake of the war in Iran.
Guest: Andrew Richards, CEO Energy Users Association of Australia
Producer: Tyler Hall

Voters will head to the polls in the federal seat of Farrer, to choose a replacement for former opposition leader Sussan Ley.
Both the Liberals and the Nationals are fielding candidates, but a One Nation candidate and an independent are considered the frontrunners.
GUEST: Jane Hume, Deputy Opposition Leader
PRODUCER: Isadora Bogle

The federal Budget is just days away and a number of key government funding announcements have already been made, including sweeping changes to the National Disability Insurance Scheme, a fuel security package and axing of funds for the Inland Rail project.
There are also expectations the Budget will feature changes to the capital gains tax discount, negative gearing and the taxation of trust funds, which the government hasn't confirmed. 
GUEST: Katy Gallagher, Minister for Finance 
PRODUCER: Isadora Bogle