Meet Elvira and the Makers of Her Hit Pinball Machines at the Texas Pinball Festival | Dallas Observerhttp://www.dallasobserver.com/arts/meet-elvira-and-the-makers-of-her-hit-pinball-machines-at-the-texas-pinball-festival-9290436Cassandra Peterson, Greg Freres and Dennis Nordman will speak at 2 p.m. Saturday at the Frisco Conference Center Many actors setting out in their careers dream of someday tearfully accepting a shiny golden Oscar statue. But Cassandra Peterson, who became a pop culture icon in the early ’80s when she…