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Melvin author of chasing space, an astronauts story of grit, grace and second chances. really great to have you with us,lyland, from sports to space. how did that transition happen and how did you overcome all of these roadblocks? >> you know, jacob, its great to be here on msnbc. i had some great mentors and people who had my back and when i had a touchdown pass, my coach didnt bench me and put me back in the game and that one catch resulted in a college scholarship because the scout saw me ove...