[By Julie Goldsticker] (MAY 8) COLORADO SPRINGS, COLO.) – Three of USA Boxing’s fastest rising stars will represent the United States at the 2014 Youth Olympic Games, August 16-28 in Nanjing, China. Newly crowned youth world champions Shakur Stevenson (Newark, N.J.), Jajaira Gonzalez (Glendora, Calif.) and Darmani Rock (Philadelphia, Pa.) are slated to compete in