<p>The most intriguing stories from the history of cinema are the tales of what might have been, those seemingly insignificant incidents that would have had the largest unforeseen effects.<br><br>Imagine That?<br><br>The farmers of southern California revolt against plans for an aqueduct ? and Chicago becomes the new home of American cinema<br><br>Casablanca's writing committee takes total control ? and the film's greatest moments are whitewashed...