new york times correspondent eileen cooper will explore the life of ellen johnson surly. the library in women's movement. the first democratically elected female president in african history.ohio governor john casey will reflect on his 2016 presidential campaign. and this weekend, former chief of the new york police department's internal affairs bureau campisi is will describe his work investigate corruption in the police force. >> i spent 41 years in the "dodge city: wyatt earp, bat masterson and the wickedest town in the american west". i saw an act of courage, bravery, integrity , but there's always that small number of people who keep you up at night. when i was a priest, everyone knew the person or maybe to that you didn't trust and the other officers didn't trust them either. so what i did when i went to internal affairs was a brought the commanding officers on board. and we would meet with them on a regular basis. i would ask them questions like who in your command, why you were concerned about? who in the command keeps you up at night? i'll do an investigation for