 Complete the following phrase:  In 2008, Nagasu became the youngest woman since Tara Lipinski in 1997 to win the U.S. senior ladies title, and the second-youngest in history at the time. She is the first lady since Joan Tozzer in 1937 and 1938 to win the junior and senior national titles in consecutive years. Nagasu represented the United States at the 2010 Winter Olympics at the age of 16 and placed 4th in the ladies event. In 2017, she landed the difficult triple Axel jump for the first time in international competition at the 