If you want proof of how badly HBO Max wants the “Dune” franchise to succeed, look no further than the behind-the-scenes drama surrounding the spinoff TV series, “Dune: The Sisterhood.” Before the most recent news (more on this in a second), the series has already gone through multiple showrunners (Jon Spaihts, Dana Calvo, and creator Diane Ademu-John have all stepped away) over the years it’s been in development.
