Before Televisa packaged melodrama for screens, Mexican families leaned toward radios and built entire worlds inside their heads. One voice. Sound effects. Music. Everything else came from imagination. That was how Porfirio Cadena entered homes. Not as an image, but as a presence. “¿Por qué se hizo criminal el ojo de vidrio?” The question crackled through speakers starting in the 1950s, crossing Mexico and pushing deep into the United States. The line landed in kitchens, pati