Cathy O'Neil joins Felix on the inaugural episode of this new mini series from Slate Money all about travel. Felix and Cathy talk overtravel; the joylessness of business class, alcohol on planes, optimization, and peanut butter crackers.

Mathbabe’s Guide to Overtravel

Email: slatemoney@slate.com

Twitter: @felixsalmon,@mathbabedotorg

Podcast production by Max Jacobs.

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