the ABC article Clinton Remained Silent As Wal-Mart Fought Unions contains some interesting history but it's central theme is

In six years as a member of the Wal-Mart board of directors, between 1986 and 1992, Hillary Clinton remained silent as the world's largest retailer waged a major campaign against labor unions seeking to represent store workers.

Hillary's defense is that she worked hard on womens rights during her 6 years on the board. What was the result of all her hard work?

Critics say Clinton's efforts produced few tangible results, and Wal-Mart is now defending itself in a lawsuit brought by 16 current and former female employees.

The women's lawyer put it bluntly.

"I don't doubt the sincerity of her efforts, but we don't see much evidence that conditions for women at Wal-Mart changed much during the late 1980s and early 1990s,"