Free music, or stealing? By PHIL KLOER Cox News Service WHEN Lucila Crena, a freshman at Emory University in Atlanta, turns off the light in her dormitory room at night to go to sleep, her computer is still working hard. ``There'll be like 30 things downloading at once,'' she says. By ``things,'' she means songs she is downloading illegally using Kazaa, a Napster-like program the music industry is trying to put out of business. ``Right now it's all Christmas songs,'' she says, ``but I've got a lot of swing and tango.'' She estimates she has 1,200 songs on her hard...