To all parents who wish their plugged-in kids would get off the couch: Be careful what you wish for.
There's a new breed of teen. Take Abby Sunderland, 16, of Thousand Oaks, Calif.
Last year, Abby set her sights on the world record for being the youngest person ever to sail around the world alone.
"I am definitely nervous," Abby told "20/20." "People say you shouldn't be nervous if you are really ready to do this. But I understand [the] ocean, and I understand how dangerous what I am doing...Full Story