PORTLAND, OREGON — On an evening that should have been forgettable, one woman’s life took a turn she never saw coming. Cassandra Wilson, 34, had always lived quietly on the margins of comfort. A modest apartment on the outskirts of the city, a ten-year-old Corolla that coughed whenever it rained, and an office job where her ideas were often credited to someone else. Family gatherings offered little solace: a father who lectured, a mother who excused herself with “new commitments,” a sister busy