Will low-Earth orbit spaceflights become as common as modern jet travel?

We shot Katy Perry and Gayle King into space today. What do you think about the growing trend of celebrities and wealthy individuals taking spaceflights? Is it inspiring or excessive? Would you go? What would you be willing to pay? Adam Frank, professor of astrophysics at the University of Rochester and author of "The Little Book of Aliens," joins Ian to talk about low-Earth orbit space flights.