The Light of Reason by Sarah Stegall Copyright © 1996 by Sarah Stegall Writer: Vince Gilligan Director: Rob Bowman Editor: Heather MacDougall Icepicks again? I’ve felt squeamish during episodes of “The X-Files”, but I never actually found myself reaching for the remote in the first act before. This one nearly did it for me. The idea of an icepick coming within, oh, a couple of light-years of my eye is too much. Ack! Vince Gilligan delivers a devastatingly ooky X-File in “Unruhe”. Gilligan likes to write for Scully, obviously, as she usually comes across more strongly in his episodes than…