If You're Listening

In this highly anticipated mailbag episode, Matt and Kara finally answer the most-asked question in the If You're Listening inbox. Plus, they talk dirty bombs, whether or not Matt is qualified to be doing this, and give their takes on AI insiders’ warnings about humanity’s destruction.
P.S. Please stop emailing us about mugs
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On September 11, 2001, Howard Lutnick's firm Cantor Fitzgerald lost 658 employees, including his brother and best friend, when the World Trade Center collapsed. Days later, he became a national pariah for cutting off their salaries, a gamble to keep the company alive long enough to eventually give their families a quarter of its future profits. It worked. Twenty five years on, that same billionaire is Donald Trump's Commerce Secretary, and the man driving his global tariff war. Lutnick's business thrives on chaos rather than growth, and having survived and profited from the worst days of his life, he seems entirely unafraid of the economic wreckage his tariffs are causing. So what happens when a man built to bet everything on volatility gets his hands on the entire US economy?
This episode was originally broadcast May 2025.
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It’s been 25 years since the September 11 attacks, and Guantanamo Bay is still open. But its use as a legal grey zone predates the War on Terror by a decade. In the early 1990s, thousands of Haitians fleeing a coup were held at Guantanamo, including hundreds of HIV-positive refugees held there indefinitely until Susan Sarandon and Tim Robbins called it out at the Oscars. 
A US court ruling from that saga established that America's constitution doesn't apply on the base, because while the US has complete control there under a 1903 treaty, Cuba technically retains sovereignty. That's the same loophole the Bush Administration used when it opened a detention centre there in 2002, and 25 years on, the US still hasn't figured out how to close it.
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So, there’s a cat in a box and it’s trapped. Most people have at least heard of the term Schrodinger’s cat. But many of us don’t actually know what it is.
Science reporter Jacinta Bowler might have the answers... They spent months with their head in quantum physics land for Dead and Alive, a series of Science Friction on ABC Radio National.
Today we’re unpacking what this all means, and how it could lead to a technological revolution... That could solve the world’s biggest problems: feeding more people, curing disease, optimising public transport so there are never any delays ever again...That is... If it ever gets off the ground.
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In August, a glacier collapse in Nepal triggered a catastrophic flood, and the danger still isn't over. Fragile new lakes have formed from the debris, and authorities are warning that another flood could burst through at any moment, putting rescuers still working in the area at risk. It's called a Glacier Lake Outburst Flood, and unlike most disasters, it doesn't really have an aftermath… the same lake can collapse again and again for years. 
These floods are becoming more common as the climate warms. But there's also a rare bit of good news: a decade ago, Nepal's own army successfully defused a similar lake, flying equipment up a mountain to build a permanent drain. Alaska's capital Juneau has the same problem and the same fix on the table. It just hasn't built it.
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