Movers and Shakers at SpaceCom Expo

We join 1,600 space entrepreneurs and visionaries in Houston, and talk with Boeing, XCOR, Johnson Space Center Director Ellen Ochoa and more. Emily Lakdawalla was there when the preliminary design for a zoom lens on Mars was approved. Bill Nye looks forward to the return of humans reaching Earth orbit aboard US spacecraft. What’s Up offers a Black Friday prize package in the new space trivia contest.
http://www.planetary.org/multimedia/planetary-radio/show/2015/1123-spacecom-expo.html