‘RBG’ is a super documentary about a modern-day superhero

“RBG” – “I ask no favor for my sex.  All I ask of our brethren is that they take their feet off our necks.” – Supreme Court Justice Ruth Bader Ginsburg, quoting Sarah Grimke Ms. Grimke, a feminist pioneer, lived during the 19th century, and her feelings certainly were justified for the time.  Well, in the enlightening documentary “RBG”, we see that Justice Ginsburg took these words to heart in the 20th and 21st century, due to the state of women’s rights in the 1970s.  In the process, she became…