South Africans have a certain reputation for public robustness. We fight, scream, and shout at each other, all in the name of deciding what would make for a better country. At times, though, this robustness threatens to derail us at a time when many people could be vulnerable to serious harm. On Friday in Pretoria, violence broke out during a march planned by people who were “opposed to illegal immigrants”. The police struggled to maintain order. And instead of speaking with one voice, everyone in a leadership position was busy pointing fingers, particularly at Joburg Mayor Herman Mashaba. By STEPHEN GROOTES.