CHRISTINE MURRAY ACTRESS Nicole Kidman said that everyone had a role to play in ending violence against women and girls that has surged in lockdowns during the coronavirus pandemic. The Oscar-winning actress, who is a U.N. Women's Goodwill Ambassador, said her role in television series "Big Little Lies" had strengthened her stance on violence against women, calling lockdown spikes in abuse a "shadow pandemic". Kidman said playing lawyer and domestic abuse survivor Celeste on the hit HBO series had affected her personally. "I felt very exposed and vulnerable and deeply humiliated as I told her story - even though playing…