Planetary Radio • Jan 05, 2016
Planetary Radio Extra: Planetary Society Experts 2015 Review
On This Episode
![Bruce betts portrait hq library](https://planetary.s3.amazonaws.com/web/assets/pictures/_1200x1200_crop_center-center_82_line/bruce-betts-portrait-hq-library.jpg)
Bruce Betts
Chief Scientist / LightSail Program Manager for The Planetary Society
![Casey dreier tps mars](https://planetary.s3.amazonaws.com/web/assets/pictures/_576x576_crop_center-center_82_line/casey-dreier-tps-mars.jpg)
Casey Dreier
Chief of Space Policy for The Planetary Society
Bruce Betts, Jason Davis, Casey Dreier and Emily Lakdawalla gather with Mat Kaplan for a fascinating and informative Planetary Radio Extra year-in-review roundtable discussion.