Now would be a good time to review your organization's hiring, firing, promotion and pay policies for any hint of gender-based differences. Reason: The big Wal-Mart sex discrimination lawsuit that hit the front pages recently will likely spark complaints against other employers. A federal judge granted class-action status to a lawsuit by six female Wal-Mart employees. It will now represent as many as 1.6 million current and former employees, making it the largest private civil rights case in U.S. history. For guidance on complying with federal pay equity law, go to www.eeoc.gov/epa.