Only on the ?CBS This Morning? podcast, the best-selling author behind ?The Kit Runner,? Khaled Hosseini tells CBS News? Reena Ninan why the haunting image of a young Syrian boy washing upon a Turkish beach in 2015 moved him to write ? ?Sea Prayer? ? a short, illustrated book. The Afghan born author also discusses his experience meeting refugees as a Goodwill Ambassador for UNHCR, his experience immigrating to the United States at 15 years old with his family and the future of Afghanistan.