By Joshua A. Johnston FAIR WARNING: there are spoilers here of various science fiction and fantasy movies and novels. In general, I’ve tried to avoid spoilers from less than 5 years from the time of this post (2012 and later) but if you’ve never watched Star Trek or read Lord of the Rings, expect spoilers. “Well, look on the bright side. We’ll all have high schools named after us.” – a crew member of the spaceship Messiah in the 1998 film Deep Impact, after the crew realizes they all have to die to save Earth. Whether you’re a Christian or …