The emergence of the double-bill in the 1930s created a divide between A-pictures and B-pictures as theaters typically screened packages featuring one of each. With the former considered more prestigious because of their larger budgets and more popular actors, the lower-budgeted Bs served largely as a support mechanism to A-films of the major studios--most of which also owned the theater chains in which movies were shown. When a 1948 U.S. Supreme...