"One day I'm going to play for the U.S. Women's National Team." That's what Flora Dupre promised her mom before she died of cancer. Flora and her mom had created a place called Soccerland, an escape world in which they'd ignore the beeping cancer machines and just talk soccer. And now Flora's dream of playing for the U.S.A. just might be coming true. Flora's received the invitation of a lifetime: the chance to try out for the Under-15 U.S. Girls'...