In “The Glorias,” Julie Taylor’s biographical film about the life of feminist leader Gloria Steinem, Steinem isn’t played by just one woman but by four different women, including Julianne Moore and Alicia Vikander, as a way of demonstrating her many sides and how Steinem has had an impact on all women.And in this first teaser trailer for “The Glorias,” we get a taste of how Gloria Steinem evolved throughout her career and of Taymor’s unique way of telling her story, with each of the four