What to read before "Darkest Hour"

"WNBA Union Condemns Texas Abortion Law in Full-Page NYT Ad"

https://www.mediaite.com/sports/wnba-union-condemns-texas-abortion-law-in-full-page-nyt-ad-family-planning-is-freedom/

"Darkest Hour movie review & film summary (2017)" | Roger Ebert

https://www.rogerebert.com/reviews/darkest-hour-2017