Gaby Rodriguez would worry whenever anyone asked to touch her baby bump. It wasn't because she felt shy or embarrassed. It was because the bulge -- fashioned from wire mesh and cotton quilt batting -- didn't actually contain a baby. For the past 61/2 months -- the bulk of her senior year at Toppenish High School -- the 17-year-old A-student faked her own pregnancy. Only a handful of people -- her mother, boyfriend and principal among them -- knew Gaby was pretending to be pregnant for her senior project, a culminating assignment required for graduation. "At times, I just wanted...