Guest Author: Diane Morris We like to think love has power, that it forges a connection stronger than space, time and the many obstacles life can throw between two people. Countless stories and songs attest to humanity's unwavering belief that love is more than an emotion. So you can imagine my feelings of utter failure as a mother and a human being on one of the many days when my son Theo, then age six, used every ounce of his considerable strength to try to beat the...