45 years ago today Mission to Mars opened at the Magic Kingdom in Walt Disney World. The attraction, which simulated the experience of blasting guests to the red planet, would having an oddly lasting effect on the company, inspiring a poorly received film that in turn would serve as the basis an equally mediocre attraction. And on and on it goes, like the rotation of some huge planet. For some reason (and for many years), its gravitational pull was too great. Tomorrowland was always the hardest land for Walt Disney to conceptualize. The future, after all, was a moving target, …