AdvertisementA Gifted High Jumper Gets Set To Leap Onto The World StagePlay05:16Download AudioJune 30, 2016Melissa BlockfacebookEmailVashti Cunningham, 18, practices the high jump at the University of Nevada Las Vegas' Sheila Tarr Track on June 21. She set a world junior record in March and is expected to make the U.S. Olympic team this weekend. (Bridget Bennett for NPR)