This week 'Slate Money: Travel' welcomes it’s most travelled guest to date: Katherine Maher, Executive Director of the Wikimedia Foundation. Katherine talks about what it’s like to travel 200 days out of the year for work, her tips for making economy comfortable and all the reasons she fully nerds out about public transit.

Email: slatemoney@slate.comTwitter: @felixsalmon

Podcast production by Jessamine Molli

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