Shanna Lacey, 9, of Newton (red leotard); Katerina Poulopoulos, 9, of Medfield (pink leotard); Arielle Cohen-Oliveira, 10, of Newton (seated in front of Katerina); and Christina Dupre-Honda, 5, of Brookline (holding flag)  watched a live stream of the USA gymnastics team winning gold at the 2012 Olympics, during summer camp at the Exxcel Gymnastics & Climbing in Newton, where gold medlist Aly Raisman trained. July 31, 2012.