Dallas was the show business capital of Texas and much of the South throughout the 20th century. More than 100 theatres served the city's neighborhoods, and Elm Street once boasted more than 15 vaudeville and movie theatres--second in number to Broadway. The quality of the show houses in Dallas were surpassed by few cities and all major, and most minor, Hollywood studios maintained Dallas offices. Notable names figuring in this history include Margo...