[Krodg]

Wouldn't they be under oath at the peliminary hearing?

[alexandria]

Yes, of course and if they did perjure themselves on the stand I would have to bet Feldman would have definately brought it up and the judge would have to strike the entire testimony.
That is why as I said VD's used the "I don't recall" statement over and over. That way Feldman had to "refresh" their memory by showing them their statements probably from pretrial testimony.
If I was a juror I would be definately doubtful as to their truthfulness because usually if you are being truthful when you say or do something you don't have to be as careful about "getting it wrong" when asked about what you said in your past statements.