South Africa needs another enlightened leader like Nelson Mandela, but it keeps electing imitations of Robert Mugabe. President Cyril Ramaphosa confirmed recently that his government plans to expropriate private property without compensation, following the examples of Zimbabwe and Venezuela.

Mr. Ramaphosa says he wants “land reform” to “unlock economic growth, by bringing more land in South Africa to full use, and enable the productive participation of millions more South Africans in the economy.” In his telling, South Africa’s...