Mrs. America is not a story with a happy ending. To be clear, the era of history being chronicled by the new FX miniseries is one that witnessed substantial change for the way in which women weren't just treated, but regarded in American society. To quote an advertising campaign created to profit off the women's movement, "We've come a long way, baby." However, while the civil rights strides that have been made over the decades represent significant progress, any narrative talking about the Equal Rights Amendment is going to feel like a tragedy. For years, women (and …