world" through greenlight books or anywhere you get books, to support the work of the troop and nikita stewart's wonderful reporting so thanks again, have a great evening. >> you are watching booktv on c-span2 on this independence day holiday weekend, television for serious readers. here are programs to watch out for. we are live with retired navy admiral james devrietas and then mary jordan discusses the life and influence of first lady milania trump and we talk with two republican senators martha mick sally of arizona and joni ernst of iowa about their new members. find a complete holiday weekend schedule online, booktv.org or check your program guide. >> journalist janice kaplan highlighted women geniuses who have gone unrecognized by society. and his portion of the program she discusses lease minor who discovered nuclear fission. >> amazing woman in the 1930s who discovered nuclear fission. the first person to understand when you split the atom, the nucleus of an atom of the uranium there's a big explosion of energy. that leads to nuclear energy, nuclear weapons, but it turned physics on its