It’s been an odd couple of months for southern Africa. No one predicted last year that in almost the same breath the long-serving dictator of Zimbabwe, Robert Mugabe, and the super-corrupt president of South Africa, Jacob Zuma, would be soon overthrown – and non-violently to boot. In Zimbabwe the army did trigger Mugabe’s demise, but it was a sort of passive coup, a non-violent withdrawal of support. In South Africa Zuma was compelled to stand down as leader of the African National Congress because of a majority vote against him in an assembly of the ANC, the party of black protest against former minority white-led rule. Again, all done non-violently. What is more, in South Africa, although violence had played some part in black liberation, the negotiations that took place in the closing years of the apartheid regime were accomplished without violence. There were peaceful negotiations between the...