She was fired by a dem because she lied about what the history showed about whether a person being impeached was allowed an attorney. She, in something normal for her, lied about what her research revealed. She did show she was nothing but a left wing hack even then which was a good 20 years before she became known as first lady of US.
Another one of the three who received the ‘do not rehire’ recommendation was also prominent in the Clinton Administration: Bernie Nussbaum.