Hr2: Future Commuting, Astronaut Mike Massimino, Humans To Mars

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As rideshare companies like Uber strike deals with cities to supplement or replace traditional transit options and parking lots, we ask: What is the future of commuting? Plus astronaut Mike Massimino talks about his journey from the suburbs of Long Island to the crew of two shuttle missions to repair the Hubble Space Telescope. And are we ready to go to Mars?