With Marissa Mayer declaring the end of telecommuting at Yahoo this week and Sheryl Sandberg's "feminist manifesto" Lean In coming out in 10 days, there has been plenty of talk about the failures and successes of our modern female role models — and not much of it has anything to do with what these women of power are actually trying to accomplish. These two have it all, apparently, because they've made it in dude-dominant Silicon Valley, while having a family, but that doesn't matter to their wor