ms. jacobsen, i have a question.l i would like to tell you, you just sold for books because i'm going to buy them tomorrow. but what i'd like to know though is, you made this quotation twice about, attributing, eisenhower was farewell speech. but the balance between security and liberty. is an informed public. i want to know this, and please don't consider this to be a mean question because i don't mean for it to be. but just how much should we know about what's going on? >> host: we would get an edge in two seconds. will you tell us a bit about yourself? >> caller: i'm just, i try to be a writer, but not very good at it. i'm not very wise. my knowledge is very shallow. i really couldn't, i don't even know if shallow would be the proper word about what you are talking. >> host: what kind of work did you do? are you retired? >> caller: i taught school for a while that i been a lot of other things, too. but this has been a most most enjoyable show. and i wish you would write a novel, ms. jacobsen. >> host: there we go.

ms. jacobsen. >> host: how much should we know quite. >> another theme i am always writing about becauseu see some of the program sea classified then you realize what was the stake. there is a very good reason in many instances to keep those programs classified so the other side is not awarear of that and that remains a true defensive measure. with there is the conundrum of the military-industrial complex so the question is brilliant because the military industrial complexity. exists for national security but if their goal is the revelation then you have what one official described as a self licking ice-creamm cone if you could have a great weapon system that stayed classified and they knew about it but cannot defend against it the coolest to keep them in check then essentially you have an effective weapon system but the minute itst becomes known than that becomes obsolete and creates an entire new vacuum or business to create a new weapon. is a brilliant question and but e is no easy answer but the investigator in me is interested in pursuing thatgh caught -- thought. >> host: here is a

ms. jacobsen is known for her writings on war, weapons, security and government secrets and will discuss her four recent books; area 351, operation paper clip, the pentagon's brain and her most recent, phenomena. join our live three-hour conversation with annie jacobsen with your calls, e-mails, tweets and facebook questions live sunday at noon eastern on booktv's "in depth" on c-span2. >> march 7, 2015, onboard air force one, we were flying down with president obama. then-president obama to selma, alabama, and i had asked him a question about, quote-unquote, postracial versus post-obama era. and he said i would not equate my election with seminal moments like the passage of the civil rights act of 1964, the voting rights act of 1965. those were massive changes in legal status that represented fundamental breaks in america's tragic history and were the pillars, the 13th amendment, the 14th amendment and 15th amendment of civil rights acts of the '60s. those were, those represented the dismantling of former discriminationing in this country. there's nothing that's going to compare to that