pulitzer prize winning journalist david finkel reports on soldiers from the 216 infantry battalion in, "thank you for your service." the end of union, intimate life of american foster care, chris beam examines what life is like for children in the foster care system. mary roache explains the science behind the human digest sieve system. "gulp." adventures on the al ministry canal. in, quote dirt wars." jeremy scahill national correspondent for "the nation" magazine reports on america's covert operations. for an extended list and links to 2013 notable book selections. visit booktv's website. booktv.org. >> we're here at the national press club talking with m.j. o'brien, about his new book, "we shall not be moved." tell us how you got into this project. >> i got into this project when i saw this photograph at the martin luther king center in atlanta in 1992 and realized that this photograph was an iconic representation of the sit-in movement and i knew the woman at the center of that photograph. i had met her through her children 20 years before in arlington, virginia, when i was a play