“We were assuming the future was bright. Tomorrowland is asking the question ‘What’s happened to that kind of optimism, and can it come back?’”–writer/director Brad Bird, in the “Remembering the Future: A Personal Journey Through Tomorrowland with Brad Bird” Blu-ray extra feature. *Warning: there are some Tomorrowland spoilers ahead.* I’ve been very vocal about my love of Tomorrowland:…