2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/17622We propose that early speculations on the nature of the normal state of the $CuO_2$ planes in high $T_c$ superconductors can be revised and brought into agreement with more modern theories, simulations and experimental observations.latex file 5 pages. Original paper writeen in 1999. Late submission due to clerical errorSuperconductivityRVB Revisitedtext