Frances Goldin (editor), Debby Smith (editor), Michael Smith (editor), Michael Moore, Mumia Abu-Jamal, Angela Yvonne Davis, Joel Kovel, Michael Ratner, Richard D. Wolff, and Frances Fox Piven
Slavoj Zizek, Costas Douzinas, Alain Badiou, Judith Balso, Bruno Bosteels, Susan Buck-Morss, Terry Eagleton, Peter Hallward, Michael Hardt, Jean-Luc Nancy, Antonio Negri, Jacques Ranciere, Mark Russo, Alberto Toscano, and Gianni Vattimo