On this edition of ST, we speak with Lynsey Addario, an award-winning American photojournalist whose work appears regularly in The New York Times, National Geographic, and Time magazine. Having covered conflicts in Afghanistan, Iraq, Darfur, the Congo, Haiti, and elsewhere, Addario is also the author of a well-regarded new autobiography, "It's What I Do: A Photographer's Life of Love and War," which Publishers Weekly has called "a highly readable and thoroughly engaging memoir....