"If you could see where I'm standing now," teases Chris Carter.Carter, creator of "The X-Files," is calling from a remote spot in the southern end of Costa Rica, where he has taken cover from the rain under some thatched bamboo. It's not as mysterious as it sounds--everybody needs a vacation every once and a while--but with the series off the air and each season already released on DVD, what's left to talk about? In this case, "The X-Files Mythology, Vol. 1--Abduction" (Fox, 1993-1995, 681 minutes, NR, $39.98), a new four-disc set that smartly recontexualizes the show.As any "X-Files" fanatic ... [Continua a leggere]