Laura Yeager is matter-of-fact about her role as a sales assistant. "I treat the business as if it were my own," she says.It's a quality that Jeffrey and Brian Werdesheim, a two-brother rep team at CIBC Oppenheimer in Los Angeles, deeply appreciate. "She is the glue that keeps us together," Jeffrey says. "We don't know what we would do without her," adds Brian.Not bad for an ex-housewife with a degree

byTom Nelson