The origin of this text is unusual: a critical preface asked by Jose Luis Monzant, Venezuelan historian, for his book with autobiographical overtones: La conversión de K. La diatriba ideológica del poder (Maracaibo, 2009).
Interested in itself benefits from the old style dramatized dialogues to contrast, study and clarify positions, ideologies and mentalities of a past and a present no less dramatic in Latin America. Controversy hard, and at the same time respectful and friendly, which is only possible under Historia  a Debate.
The analytical approach is an Immediate History is not on the academic refuge to avoid thorny but crucial ideological, political or theoretical, on attempting to present alternatives.
Keywords: Marxism / Anarchism, science / ideology,  instincts / rationality, sexism / feminism, Latin American left / European left, democracy / representation / participation, Soviet socialism / democratic socialism / socialism of the XXI century.