Proving, once again, that borders in this part of the world are little more than an inconvenience, Boko Haram militants launched another attack in Cameroon on Sunday. This one was even scarier than those that have come before, because it wasn’t just ordinary, innocent civilians who paid the price. The militants made off with the wife of one of Cameroon’s top politicians – and if she’s not safe, then who is? By SIMON ALLISON.