Blade Runner's ambiguous ending continues to spark debate among Ridley Scott and sci-fi fans. Was Deckard a replicant?

Blade Runner may have developed a strong sci-fi following, but that doesn't make the film any easier to watch today.

Ed. note, March 17, 2015: This excellent piece from Adam Savage was originally published in 2007, but we wanted to revisit the classic film in light of the upcoming 'Blade Runner' sequel and this ...