Dolly Parton is back on the big screen, starring alongside Queen Latifah in the Gospel-driven “Joyful Noise.” But the country music legend insisted that there is more to the movie than just music and a good time. “The film is uplifting and I want people to go away feeling better than they did when they got here, because times are hard right now. Everybody's been feeling a little scared and a little down, and the economy has been bad and people don't know what to think. We just seem to have lost all our morals and principles and values these...