The flurry of publicity over their case has ebbed, but a lesbian couple whose 4-year-old daughter was denied admittance at O'Hara Catholic School last month intend to challenge the decision through legal means, one of the women said last week. Lee Inkmann, who alleges that O'Hara turned down her and her partner's application because they are gay, will meet this week with Eugene attorney Martha Walters, one of the chief lawyers who successfully argued golfer Casey Martin's case against the PGA Tour for refusing to accommodate his disability. "I have a belief that throughout history, when discrimination has been ignored...