Needing to over-prepare may stop us from moving ahead. I don’t know any woman in business who fakes it until she makes it. I think “winging it” is insulting to the audience and colleagues. So I prepare mightily for every speech, presentation, meeting and work event believing that it matters. I also am afraid of what may happen if I am not diligent about professional preparation. Many of us don’t know any woman in business who fakes it until she…