'Olympics start now!': Tweets from U.S. athletes at the Sochi Olympic Winter Games opening ceremony

Published: Friday, Feb. 7 2014 12:00 a.m. MST

Security personnel watch a practice run of a fountain show to music from "Swan Lake" on the perimeter of the Olympic cauldron in preparation for the 2014 Winter Olympics, Thursday, Feb. 6, 2014, in Sochi, Russia.

Julie Jacobson, Associated Press

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