With no regrets, Liukin retires from competitive gymnastics
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Credit: Getty Images
ST. LOUIS, MO - JUNE 8: Nastia Liukin competes on the uneven bars during the Senior Women's competition on day two of the Visa Championships at Chaifetz Arena on June 8, 2012 in St. Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images)
