Babbage: WeFight

For Chinese users, WeChat does far more than just messaging. What are the implications of America’s proposed ban on the Chinese “super app”? Also, Canada’s last Arctic shelf has collapsed, and climate change is to blame. And a sizzling solution to indoor barbeque pollution. Tom Standage hosts Please subscribe to The Economist for full access to print, digital and audio editions:www.economist.com/podcastoffer
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