Watch this parody of Brokeback Mountain- Brokeback to the Future. You'll never look at Back to the Future Part III in exactly the same way, if, for some strange reason, you decide to watch that movie again. I actually remember going to see it in the movie theater with my cousins and our moms, way back in 1990.
Oh yeah, and it just crossed my radar that the Pres is against "human-animal hybrids." There goes my new idea for a thesis project: creating a centaur.