What does it really mean to be free? Are you someone who empowers others or someone who exerts control? Typically, a movie's main job is to entertain—to hold your attention for its entire length. But truly great films do more than that; they provoke thought and offer insight. That’s what makes film such a powerful art form, and it’s why I gave "Instinct" (1999) a high rating. The story centers on anthropologist…