Listen to Marketplace's episode for January 21, 2020, about is there really a "blue-collar boom", plus: AI goes to the movies, a new spate of retail closures and why China is leading the world in solar, wind and ... coal.
During the impeachment trial, you can listen to Marketplace on WKNO HD-2 at 6:00 PM, on your smart speakers, the new WKNO App, or on wknofm.org.
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