Earlier this month, the International Monetary Fund put out its weakest medium-term projection for global economic growth since 1990. This had one listener wondering: How accurate are the IMF’s predictions? We’ll get into it and answer more of your questions, like why the U.S. Postal Service still delivers six days a week and what is the carbon footprint of space travel. Plus, we’ll explain why the Federal Reserve is losing billions every week.

Here’s everything we talked about today:

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