THU AUG 15 Ask Dr. Ruth Dr. Ruth revisits being a Holocaust survivor and her career as America's most famous sex therapist in this liberating documentary. It is an inspiring, joyous and entertaining portrait at the vanguard of the women’s movement and the sexual revolution, revealing the darkness Dr. Ruth emerged from to bring light to so many people. Running time: 99 minutes. Not rated.7:00 p.m. $12