Hildegard of Bingen -- theologian, mystic, poet, and musician -- left an enormous legacy of spiritual insights that have extraordinary relevance in today's world. Even her music hits the top of classical music charts. Why is her influence so enduring?Hildegard's twelfth-century teachings, founded on the Benedictine Rule, bring with them a wholistic sense that still speaks to today's spiritual seekers. Her ideas on the interdependence of male and female,...