-- PHOTO MOVED IN ADVANCE AND NOT FOR USE - ONLINE OR IN PRINT - BEFORE DEC. 17, 2017. -- Sheila Nevins, president of HBO Documentary Films, at the Carlyle Hotel in New York, Dec. 8, 2017. After almost 40 years, Nevins is departing as the high priestess of HBO Documentary Films, where she has worked day and night, through weekends and vacations, supervising the production of over 1,200 documentaries. (Jesse Dittmar/The New York Times)