I was under the impression that a paternity test had already been taken, and it was proven that “My Little Pony”-boy was the father... Perhaps Elizabeth was referring to something else — like her divorcing him... Or his being brought up on charges related to the testimony his mistress gave in DC the other day...
The test was taken and John Edwards is the father.
Elizabeth is just trying to “save face”.
I guarantee you she knows it is John’s baby.