On today's podcast:
(1) A union representing 150,000 US auto workers goes on strike, hitting three of country's biggest carmakers.
(2) Shares in the UK based chip designer Arm have climbed 25% after the year's biggest stock listing.
(3) Apple is facing a controversy in France over the iPhone 12's radiation levels.
(4) Ever-wilder weather swings are forcing a complete redesign of the world's busiest airports.