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Russiaís Alexandra Saitova, left, and Ekaterina Galkina look to the house while sweeping ahead of the rock during women's curling competition against Britain at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Women )

This multiple expose shows men's curling teams competing during round robin matches at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Morry Gash) ( Sochi Olympics Curling Men )

Norway's Thomas Ulsrud delivers the rock to his sweepers during a round robin match against Denmark at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Morry Gash) ( Sochi Olympics Curling Men )

Great Britain's skip Eve Muirhead shouts instructions to her sweepers after delivering the rock during women's curling competition against Denmark at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Women )

Japan's Yumie Funayama lines up a stone during the Women's Curling Round Robin Session 11 Japan vs China at the Ice Cube Curling Center during the Sochi Winter Olympics on February 17, 2014 in Sochi. Japan won the game 8-5. ADRIAN DENNIS/AFP/Getty Images ( 527168081 )

US curler John Shuster throws the stone during the 2014 Sochi Winter Olympics Men's Curling Round Robin Session 12 match against Switzerland at the Ice Cube Curling Centre in Sochi on February 17, 2014. YURI KADOBNOV/AFP/Getty Images ( 527171264 )

South Korea's Lee Seulbee (C) delivers a stone while Um Min Ji (L) and Gim Un Chi sweep during the Round Robin match between South Korea and Canada of the Women's Curling competition in the Ice Cube Curling Center at the Sochi 2014 Olympic Games, Sochi, Russia. EPA/ANATOLY MALTSEV ( RUSSIA SOCHI 2014 OLYMPIC GAMES )

A Swiss fan rings a large bell after Switzerland defeated China during women's curling competition at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Women )

Canada's skip Jennifer Jones delivers the stone during women's curling competition against South Korea at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Women )

Germanyís Felix Schulze, bottom, watches his delivery during men's curling competition against Russia at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Men )

Russiaís skip Alexei Stukalskiy celebrates his win over the United States in men's curling competition against at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Men )

South Korea's Jisun Kim (C) throws a stone during the Women's Curling Round Robin Session 12 against Canada at the Ice Cube Curling Center during the Sochi Winter Olympics on February 17, 2014. JONATHAN NACKSTRAND/AFP/Getty Images ( 527180310 )

Scott Philip and Robin Dyet of Scotland flex their muscles in a mirror at the Ice Cube Curling Center prior to curling competition between Britain and China during men's against at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling )

Denmark's Rasmus St Jerne Hansen reacts to his shot as Norway's Christoffer Svae watches during a round robin match at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Morry Gash) ( Sochi Olympics Curling Men )

Britain's skip Eve Muirhead shouts instructions to her sweepers as they approach the house during women's curling competition against Russia at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Women )

Russia's Alexandra Saitova gets ready to deliver the rock to her sweepers during a round robin match against Britain at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Morry Gash) ( Sochi Olympics Curling Women )

Ekaterina Galkina and Margarita Fomina of Russia compete during the Curling Women's Round Robin match between Russia and Great Britain on day ten of the Sochi 2014 Winter Olympics at Ice Cube Curling Center on February 17, 2014 in Sochi, Russia. (Photo by Ryan Pierse/Getty Images) ( 469855599 )

A Russian fan wears face paint while attending men's curling competition at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Men )

South Korea's skip Kim Ji-sun reacts after her throw during women's curling competition against Canada at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( APTOPIX Sochi Olympics Curling Women )

Russian fans watch a round robin match between Russia and Britain the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. Britain won 9-6. (AP Photo/Morry Gash) ( Sochi Olympics Curling Women )

Denmark's skip Rasmus Stjerne Hansen delivers a ow during men's curling competition against Norway at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Men )

Great Britain's Skip Eve Muirhead lines up a throw during the Women's Curling Round Robin Session 11 Russia vs Great Britain at the Ice Cube Curling Center during the Sochi Winter Olympics on February 17, 2014 in Sochi. Great Britain won the game 9-6. ADRIAN DENNIS/AFP/Getty Images ( 527167603 )

Switzerlandís Carmen Schaefer, back to camera at left, hugs Carmen Kueng, and Mirjam Ott, back to camera at right, hugs Janine Greiner, after defeating China during women's curling competition at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Women )

Canada's Kaitlyn Lawes (C) throws a stone during the Women's Curling Round Robin Session 12 against South Korea at the Ice Cube Curling Center during the Sochi Winter Olympics on February 17, 2014. JONATHAN NACKSTRAND/AFP/Getty Images ( 527180132 )

China's curling team celebrates after winning the 2014 Sochi Winter Olympics Men's Curling Round Robin Session 12 match against Great Britain at the Ice Cube Curling Centre in Sochi on February 17, 2014. YURI KADOBNOV/AFP/Getty Images ( 527172419 )

Jared Zezel and teammate Jeff Isaacson of the USA compete against Switzerland during the Men's Curling Round Robin on day ten of the Sochi 2014 Winter Olympics at Ice Cube Curling Center on February 17, 2014 in Sochi, Russia. (Photo by Streeter Lecka/Getty Images) ( 469888357 )

Britain's Anna Sloan pumps her fist after a good throw during women's curling competition against Denmark at the 2014 Winter Olympics, Monday, Feb. 17, 2014, in Sochi, Russia. (AP Photo/Robert F. Bukaty) ( Sochi Olympics Curling Women )

A men's curler delivers the stone during a round robin session at the 2014 Winter Olympics, Sunday, Feb. 16, 2014, in Sochi, Russia. (AP Photo/Morry Gash) ( APTOPIX Sochi Olympics Curling Men )