“The first Thursday of every month, about a dozen women executives gather in this Silicon Valley town to repent and change their ways. They sit in a ring, the picture of corporate propriety in their suits and low-heeled mules, turning off cell phones before the confessions begin. ‘I’m Suzann,’ says Suzann Manteufel, a financial executive at Sun Microsystems (news/quote), ‘and I’m a recovering bully broad.’ She slumps in her chair. ‘Or maybe I should say, a relapsing one.’”