What's in the records?

If Atlantic blogger Andrew Sullivan seemed out-of-line with his repeated questions about Palin's pregnancy, he seems a little less so given the final chapters in the saga of the non-release of the Palin medical records.

To be clear, absence of evidence is not the same as evidence of (insert shocking medical condition here). But why would her staff earlier indicate that the records or, at least, a summary thereof would be released only to then NOT release anything?

Shouldn't she at least come out and say, "I will not release any medical records because I believe it's an invasion of privacy." (or whatever) ? But...

No press conference. No medical records. No modern precedent.