ONCE relegated to the margins of South African politics, anti-immigrant activism has gone mainstream. Several anti-immigrant groups including Operation Dudula, All Trucker Foundation and the South Africa First Party, have become reference points for national debate. Reflecting forms of radical protectionism, they channel the frustrations of South Africans with corruption, crime, and unemployment. The results are campaigns to ‘clean’ the country of immigrants, home invasions and widespread threats and violence. Authors LOREN B LANDAU, Co-Director of the Wits-Oxford Mobility Governance Lab, University of the Witwatersrand JEAN PIERRE MISAGO, Researcher, University of the Witwatersrand This is not a response to an…