This week, Major is joined by CBS News Space Consultant Bill Harwood in an "out of this world" conversation on the future of space travel and space tourism. Harwood talks about the impact of Richard Branson, Jeff Bezos and Elon Musk on how the U.S. private sector engages with space, and the advances that are possible with a NASA-private sector collaboration. Harwood also talks about potentially colonizing Mars and how NASA has helped advance important data on climate change.

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