Listener Mail: Grandfathers on America's Most Wanted, North Korean Museums, and... is Facebook in your head?

A listener learns their grandfather was on America's Most Wanted. Will shares his adventures at museums in North Korea and Tehran. Anon calls in to relate her own spooky experience with Facebook somehow knowing her thoughts, and selling ads off them -- without her speaking into a microphone or Googling anything. All this and more in this week's listener mail.

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