One of the first questions Anna Sawai had for showrunner Justin Marks when they first met to discuss “Shōgun” was, “Why are you remaking this?” Co-created by Marks and Rachel Kondo, FX’s adaptation of James Clavell’s bestselling novel has been a long-gestating project. “I wanted to know that they weren’t just trying to do another white savior story,” says Sawai …
