If this is true, it’s a very serious matter. So serious that a full and fair investigation is called for.
If Berger or anyone else has real evidence, let’s see it.
You shouldn’t make such allegations unless you can prove them. (Although doing so might just win Schiffty a Senate seat.)
Put her under oath.
Who exactly are you thinking of that can do a "full and fair investigation"?
The FBI? hahahahaahahahahahahaha. Pull the other one, it has bells on.