NASA Administrator, California Wildfires, Lichens. March 8, 2019, Part 1 Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email NASA Administrator Jim Bridenstine during a NASA town hall event at NASA Headquarters in Washington. ( NASA/Bill Ingalls ) Hosted by Ira Flatow Produced by Science Friday and WNYC Studios