Today's indicator is $2.2 trillion. That's about how much stuff — goods and services — the U.S. sells to the rest of the world every year.

That figure captures not only airplanes and cars, but also some visits to Disney World. Also, blood. Lots of blood.

Our guest is Charles Kenny of the Center for Global Development.

Music by Drop Electric. Find us: Twitter/ Facebook.


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Copyright 2018 NPR. To see more, visit http://www.npr.org/.

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