US moves to prevent ports from cyber attacks

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The US government is announcing a series of actions to strengthen the cybersecurity of US ports - the move is aimed at targeting Chinese cyber-attacks. Ed Butler finds out what kind of plans are being put in place. The AI chipmaker Nvidia wows investors with some startling returns in its latest results. Is the company's boss right to call this a tipping point in the sector? And, is it time to cap everyone's personal wealth? That is the view of one outspoken economist. Ed Butler is joined throughout by two guests on opposite sides of the world: Sharon Brettkelly, presenter of The Detail on Radio New Zealand and Michael Malone, Silicon Valley journalist and host of the Silicon Insider podcast. (Picture: US President Joe Biden in Los Angeles, Culver City. Credit: EPA-EFE/REX/Shutterstock)