Confidence is critical for women to succeed - but as Glenys Kinnock pointed out, it's something that you can work to develop. Mo Mowlam suggests that if you act as if you are confident, that is half the battle:
."Toughness, determination and courage are always important in politics. But for women the main thing I think is about confidence, if you are confident and act confidently you can do it, whatever it is you want to do, confidence is the key."