Ask Dr. Ruth: Watch the trailer for the new documentary about the iconic sex therapist

Dr. Ruth Westheimer is a German-born Jewish Holocaust survivor who emigrated to the United States in 1956 and eventually became arguably the world's best known sex therapist. She's hosted multiple radio and TV shows and written dozens of books about sex. Now, the 90-year-old is the subject of a new documentary titled Ask Dr. Ruth that will premier at the Sundance Film Festival in a few weeks. Directed by Ryan White with distribution by Hulu, the film will be in theaters later this year and presumably streaming after that.