Keli Smith-Puzo of Selinsgrove, Pa., is kept busy with sons Ian, 9, and Xavi, 2, when she's not competing for a spot on the U.S. field hockey team. She scored three goals in the Beijing Games in 2008. (Andrew Harnik/The Washington Times)

Keli Smith-Puzo of Selinsgrove, Pa., is kept busy with sons Ian, 9, and Xavi, 2, when she's not competing for a spot on the U.S. field hockey team. She scored three goals in the Beijing Games in 2008. (Andrew Harnik/The Washington Times)