The revolution began with the simple act of a mother kicking a ball to her daughter. An English soccer trainer noticed, and praised her form. "Too bad," she replied, "there's no soccer league for mothers." Who could know that so many lives would change as a result of that simple exchange? In the suburban enclave of Montclair, New Jersey, as in so many communities around America, there was nothing new in the sight of mothers driving their minivans...