Podcast: Astronaut Chris Hadfield

This week we have a very special guest on the podcast: astronaut Chris Hadfield. Hadfield is the first Canadian astronaut to space walk, and the first Canadian astronaut to command a spaceship (the ISS). He has flown on two US space shuttle missions and once on the Russian Soyez rocket. He's the author of An Astronaut's Guide to Life on Earth: What Going to Space Taught Me About Ingenuity, Determination, and Being Prepared for Anything, and last spring he sang and played guitar to the David Bowi...