In her 64 years as America’s favorite doll, Barbie’s been an astronaut, a nurse and even president. But her latest role may be the toughest one yet. With the help of actor-producer Margot Robbie and director Greta Gerwig, the doll at the center of Warner Bros.’ “Barbie” has saved the summer box office. Millions of theatergoers dressed in their rosiest, as well as a national shortage of pink paint, were early indicators of just how huge the film might get — and at $162 million for its opening weekend, “Barbie” is without precedent. It’s the biggest opening of all time for a movie made by a female director, not to mention the biggest of the year, leaving “The Super Mario Bros. Movie” in its sparkly dust.
The success of “Barbie,”…
