Research shows that if a man points out sexism, he will be listened to more seriously than a woman who does the same, as he is thought to lack possible conflicts of interest, said a former Australian prime minister on Thursday. Speaking at a think tank's online webinar, two female leaders – Julia Gillard, who served as Australia's premier in 2010-2013, and Ngozi Okonjo-Iweala, director-general of the World Trade Organization ...