How to catch the total lunar eclipse; Book recommendations on Roe, LGBTQ rights

The continental United States and all of South America will have the chance to see a total lunar eclipse Sunday night. Sky & Telescope's Kelly Beatty tells us how to catch a glimpse. And, "The Stacks" host Traci Thomas shares a list of books that can help illuminate the history of the Supreme Court, Roe v. Wade, and LGBTQ rights.