Dr. Jonathan Clark lost his wife, astronaut Laurel Clark, in the 2003 Columbia\xa0space shuttle explosion. As he\xa0grieved, he\xa0also learned\xa0how to be a single parent to their son.\xa0\n\nSupport Death, Sex & Money by becoming a monthly sustaining member.\xa0Sign up now.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices