Fiona said: "Willow and Tara are a couple--but we don't see them in bed together"
Yes we do, at least once.
There is a policy however that we can't see them kiss, but in the dream episode at the end of season four we hear them kiss!
-- cheers Steve Rogerson http://homepages.poptel.org.uk/steve.rogerson
Redemption: The Blake's 7 and Babylon 5 convention 23-25 February 2001, Ashford, Kent http://www.smof.com/redemption