text:  The Paris Olympics begin in two weeks, and perhaps no sport is better poised for US dominance than women's gymnastics. The team's expected success in Paris will mark a major turnaround for USA Gymnastics, the organization that oversees the sport in the US. Just six years ago, the organization was at an all-time low. US Olympic officials nearly shut it down after a massive sex abuse scandal. NPR's Becky Sullivan reports on how USA Gymnastics has picked up the pieces in the years since.