# Multimedia 

Multimedia 

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- [Podcasts](/podcasts)
- [Cato Video](/multimedia/cato-video)
- [Video Series](/search/category/video-series)
- [Events](/multimedia/events)

Download:

[ 

Audio 

](https://fastly-unsigned-us-east-1-prod.brightcovecdn.com/media/v1/pmp4/static/clear/6039378657001/8706891e-51da-4a4c-9890-e22bb3bf5f95/48401d33-ed00-43ab-9ed3-1f0665c7dc80/main.mp4) 

[ 

Audio 

](https://cdn.cato.org/archive-2013/knappenberger-xmradio-5-8-13.mp3) 

Media Highlights Radio • May 8, 2013 

# Paul C. Knappenberger discusses the Keystone XL Pipeline on XM Radio’s *P.O.T.U.S.*

##### Featuring 

[![Media Name: knappenberger.jpg](/sites/cato.org/files/styles/author_picture/public/authors/crops/knappenberger.jpg?itok=4mk2qHgQ)](/people/chip-knappenberger) 

##### [Paul C. “Chip” Knappenberger](/people/chip-knappenberger)

Former Assistant Director, Center for the Study of Science 

[ 

](https://twitter.com/PCKnappenberger)