An ongoing public feud between the stars of Sex and the City grew deeper this week, with Kim Cattrall accusing Sarah Jessica Parker of exploiting the death of her brother. While their fall-out might not be extraordinary – friendships end all the time – but the way we still pit women against one another is. Society is obsessed with the idea of the cat fight and the inability of strong women to work together peacefully. To discuss this and the trouble with toxic friendships, Kathy Sheridan is joined by Irish Times beauty writer Laura Kennedy and Irish Times online journalist Rachel Flaherty.