text:  It's Morning Edition from NPR News. I'm Michelle Martin in Washington, D.C. And I'm A. Martinez in Los Angeles, California. Gymnastics superstar Simone Biles is heading to her third Olympics. She is looking to cap her remarkable comeback after pulling out of some events at the Tokyo Games three years ago amid struggles with her mental health. That came in the wake of revelations she'd been among those abused by a former team doctor. Now she's ready for Paris. She won the U.S. Olympic trials last night by five and a half points, a huge margin.