# Multimedia 

Multimedia 

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

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Video 

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[ 

Audio 

](https://cdn.cato.org/CatoAudio/2015/ca-01-15-07.mp3) 

Cato Audio • January 1, 2015 

# Steven Pinker on the persistence of pessimism 

[![Creative Commons License](/build/cato_2020/images/creative-commons.svg)](http://creativecommons.org/licenses/by-nc-sa/4.0/) 
This work is licensed under a [Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License](https://creativecommons.org/licenses/by-nc-sa/4.0/). 

##### Featuring 

##### Steven Pinker