When it comes to time travel, they say everybody kills Hitler on their first trip. And why shouldn’t we? That guy ruined a lot of things, to put it simply. But time is a river, and a river always corrects its course. Going back in time to unmake a great wrong only opens up the great paradox of how one could unmake said wrong if said wrong no longer occurred. Events are unchangeable, I once heard in a movie, destined to unfold the way it will no matter how often you feed your DeLorean glowing popsicles. And let’s not create any new dimensional realities; those are messy.