Go to the Web sites of Avon (www.avon.com), PepsiCo (www.pepsico.com), and Xerox (www.xerox.com) and explore those sites to learn more about the women who are either the CEO or chairperson at these companies. Several of the Web sites have a "biography of executives" feature to learn more about the CEO and other top executives. Another possibility is to use a search engine such as Yahoo! and search on the company name and name of the CEO or chairperson to gather some background on the careers of executive women. Based on the information you gather, develop a rationale to explain how these women overcame the "glass ceiling" and attained the top executive role in a major U.S. corporation.