Anxious to get on with her acting career, precocious Juliette Lewis dropped out of high school at age 14, passed a proficiency course and became an emancipated minor a year later, unbound by child labor laws. Despite having no training, she had already landed daughter roles in the Showtime miniseries "Home Fires" (1987) and the ABC series "I Married Dora" (1987-88), and though she would return as a series regular in "A Family For Joe" (NBC, 1990), starring Robert Mitchum, she found sitcoms constraining, resenting her directors' insistence that she do nothing with her hands while standing