Radio National Breakfast

The Port Arthur massacre is remembered not just for the horror of that day, but for the political and societal response that followed, changing Australia forever.
Hear our interview with then Prime Minister John Howard, who played a major role in reforming the country's gun laws in the wake of the attack. 
We'll also cross to the US to hear from a former FBI agent following the White House Correspondents' Dinner shooting, and find out about a tech titan's court battle for the ages. 
Recap the morning's news, politics and global affairs with the Breakfast Wrap.

New research suggests platypus populations in New South Wales are just "hanging on," with growing calls for the species to be added to the 'threatened' list after years of pressure from habitat loss and climate change.
GUEST: Dr Gilad Bino, lead researcher for the University of NSW Platypus Conservation Initiative 
PRODUCER: Brooke Young

Think about all the things you might use today - how much of it is mass produced, or wasn't built to last?
The industrial revolution has made blacksmiths, leather-workers and weavers an endangered species ...
Enter cop turned chair-maker Glen Rundell and his wife Lisa ... who decided to bring traditional artisans together to support their trades - and demonstrate their value.
Their creation - the Lost Trades Fair - has since attracted thousands of people each year ... helping to keep these crafts alive and inspiring future generations.

RSL Australia says Welcome to Country policies will be reviewed as part of its annual evaluation of ANZAC Day commemorations. 
It comes after Indigenous elders were booed and heckled at a number of ceremonies around the country on Saturday -- during Welcome to Country speeches.
A number of politicians have since condemned what's unfolded.
Guest: Peter Tinley, RSL Australia's national president

It was the deadliest mass shooting in modern Australian history.
Victims and dignitaries will gather at the historic Port Arthur site in Tasmania today to mark 30 years since the massacre - when a gunman shot dead 35 people.
In the days and weeks after the tragedy, the then-prime minister John Howard pushed through tough new gun control measures.  
Guest: John Howard, former prime minister
Producer: Jason Whittaker / Grace Stranger