http://www.lbnelert.com/wp-content/uploads/2010/11/Gina-Piccalo.jpgCOMMENTARY By GINA PICCALO: Modern American parenting can seem an extreme sport geared toward raising a bionic generation of high-achieving super-babies. Even before they learn to walk, our infants are dragged to swimming lessons, “socialized” at baby “gyms” and plopped in front of videos that promise to have a 6-month-old reading English or, at the very least, understanding some Chinese. Relaxation is rare on this harried path.