Sony has yet to sign off on the long-awaited third installment, but it's getting closer, despite Bill Murray's decision to not participate. Good news, Ghostbusters fans: The third installment in the franchise is still being planned. The bad news? There's still that sticky matter of getting it approved, funded and produced. In a new interview with Esquire , series co-creator (and vodka salesman) Dan Aykroyd says that despite all the bumps in the road in trying to create a second sequel over 20 years after the first, the franchise's producers have agreed on a screenplay draft and are "closer than we've ever been" to making the film. And no, it does not include Bill Murray , who famously decided not to play Peter Venkman for another go-round. Yet legally, Aykroyd says he no longer needs Murray's permission to make the film, despite his producer rights. "He abrogated his rights by sort of, by saying, two years ago he said, 'I don't w