Retired astronaut Mark Kelly talks to Katie about getting kids excited about space and the latest book in his "Mousternaut" series. Plus, he and Katie surprise the audience with a visit from his wife, congresswoman Gabby Giffords!
Related Article: Katie’s “Challenge for Change” Kick-Off & Julian Lennon Performs
Here it is! My debut as Mrs. John Molner from Saturday!
Be the first to know about upcoming shows & sweepstakes by signing up for our email newsletter.