IMMOKALEE, Fla. (AP) — Christy Kobes jumps to her sock-and-sandal feet, sending a vibration rippling down the metal bleachers.

"Let's go! Let's go! Think destructive thoughts!" she yells to her son's team.

Her cellphone, attached to a lanyard around her neck, swings back and forth as her enthusiasm builds.

It's day four of the tournament in Louisville, Kentucky, and Kobes' voice is strained, though her forceful cheering rises above the other moms that fill the expansive exposition center.

Then, an abrupt pause: She sits down, bows her head, and says a prayer.

Seconds later, she's back on her f...