 Complete the following phrase:  Ordorika majored in physics at the Facultad de Ciencias in the in 1991. It is during his student days in the 1980s that he became a militant of the Mexican revolutionary left izquierda revolucionaria through the Comité Estudiantil de Solidaridad Obrero Campesina CESOC and as a member of Revista Punto Critico, a marxist organization and journal founded by the leaders of the 