Harriet Harman became deputy leader of the Labour Party. The below post has reminded me what she said, when I saw her about, why she did not try to become leader.
Her whole life was focussed on doing the job in hand and achieving results rather than plotting the next step on the career ladder and there was always an element of self-doubt about whether she would be good enough for the top job. An ambitious man doesn’t harbour such self-doubt even if he is much less qualified for the job than a woman
She was clearly doing tasks make MPs were not doing including spending a lot of time listening to women in her constituency.