For the first time in American history, a significant number of mothers are heading major corporations, including General Motors, Ulta Beauty, and Best Buy. Over the past several decades, women have made gains throughout executive suites. Yet these “Power Moms” still struggle with balancing their management responsibilities with raising children. Joann S. Lublin draws on the experiences of the nation’s two generations of these successful women to measure how far we’ve come—and how far we still need to go.