A winsome beauty with a large, incandescent smile and a mane of hair, Julia Roberts was one of the few bankable female stars of the 1990s whose love affair with the public and world's press continued into the next century. Critics have long speculated on the secret of her undeniable appeal, but it remained one of those enigmas of contemporary pop culture. Roberts lacked the technical polish of some of her contemporaries, but was able to command the screen like no one else, even while surrounded by heavy hitters like Sally Field, Denzel Washington and Susan Sarandon. Her public life was also