Marissa Castelli and Simon Shnapir compete in the senior pairs short program at the U.S. figure skating championships in Omaha, Neb., Thursday, Jan. 24, 2013. (AP Photo/Nati Harnik)

Marissa Castelli and Simon Shnapir compete in the senior pairs short program at the U.S. figure skating championships, Thursday, Jan. 24, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Alexa Scimeca and Christopher Knierim compete in the senior pairs short program at the U.S. figure skating championships in Omaha, Neb., Thursday, Jan. 24, 2013. (AP Photo/Nati Harnik)

Felicia Zhang and Nathan Bartholomay compete in the senior pairs short program at the U.S. figure skating championships in Omaha, Neb., Thursday, Jan. 24, 2013. (AP Photo/Nati Harnik)

Tarah Kayne and Daniel O'Shea compete in the senior pairs short program at the U.S. figure skating championships on Thursday, Jan. 24, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

DeeDee Leng and Timothy LeDuc compete in the senior pairs short program at the U.S. figure skating championships, Thursday, Jan. 24, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Tarah Kayne, left, and Daniel O'Shea compete in the senior pairs short program at the U.S. figure skating championships in Omaha, Neb., Thursday, Jan. 24, 2013. (AP Photo/Nati Harnik)

Felicia Zhang, top, and Nathan Bartholomay compete in the senior pairs short program at the U.S. figure skating championships on Thursday, Jan. 24, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Meryl Davis and Charlie White compete in the senior pairs free dance program at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. (AP Photo/Nati Harnik)

Meryl Davis and Charlie White wave after receiving the first place medal in the senior pairs free dance competition at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. (AP Photo/Nati Harnik)

Meryl Davis, top, and Charlie White compete during the senior pairs free dance program at the U.S. figure skating championships on Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Meryl Davis, front, and Charlie White compete during the senior pairs free dance program at the U.S. figure skating championships on Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Meryl Davis and Charlie White compete during the senior pairs free dance program at the U.S. figure skating championships, Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Marissa Castelli and Simon Shnapir react after competing in the senior pairs free skate program at the U.S. figure skating championships, Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Marissa Castelli, top, and Simon Shnapir compete during the senior pairs free skate program at the U.S. figure skating championships on Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Alexa Scimeca, left, and Christopher Knierim compete in the senior pairs free skate program at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. (AP Photo/Nati Harnik)

Alexa Scimeca, left, and Christopher Knierim react after competing in the senior pairs free skate program at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. They placed second. (AP Photo/Nati Harnik)

Maia Shibutani and Alex Shibutani compete during the senior pairs free dance program at the U.S. figure skating championships, Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Maia Shibutani, right, and Alex Shibutani compete in the senior pairs free dance program at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. (AP Photo/Nati Harnik)

Max Aaron holds the gold medal after winning the senior men's championship at the U.S. figure skating championships, Sunday, Jan. 27, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Max Aaron celebrates after finishing his program in the senior men's free skate program at the U.S. figure skating championships in Omaha, Neb., Sunday, Jan. 27, 2013. Aaron won his first title in a rout to jump from fourth to first, finishing with 255 points overall. (AP Photo/Nati Harnik)

Max Aaron celebrates after finishing his program in the senior men's free skate program at the U.S. figure skating championships in Omaha, Neb., Sunday, Jan. 27, 2013. Aaron won his first title in a rout to jump from fourth to first, finishing with 255 points overall. (AP Photo/Nati Harnik)

Max Aaron celebrates his score in the senior men's free skate program at the U.S. figure skating championships, Sunday, Jan. 27, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Max Aaron competes during the senior men's free skate program at the U.S. figure skating championships, Sunday, Jan. 27, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Ross Miner competes during the senior mens free skate program at the U.S. figure skating championships, Sunday, Jan. 27, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Jeremy Abbott reacts with his coach Yuka Sato after competing in the senior men's free skate program at the U.S. figure skating championships, Sunday, Jan. 27, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Gracie Gold competes during the senior ladies free skate program at the U.S. figure skating championships, Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Gracie Gold competes in the senior ladies free skate program at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. (AP Photo/Nati Harnik)

Ashley Wagner competes during the senior ladies free skate program at the U.S. figure skating championships, Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Ashley Wagner smiles as she competes in the senior ladies free skate program at the U.S. figure skating championships, Saturday, Jan. 26, 2013, in Omaha, Neb. (AP Photo/Charlie Neibergall)

Meryl Davis and Charlie White compete in the senior pairs free dance program at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. (AP Photo/Nati Harnik)

Meryl Davis and Charlie White pose with their first place medals after winning the senior pairs free dance program at the U.S. figure skating championships in Omaha, Neb., Saturday, Jan. 26, 2013. (AP Photo/Nati Harnik)

ADVANCE FOR WEEKEND EDITIONS, MARCH 9-10 - FILE - In this Jan. 26, 2013, file photo, Meryl Davis and Charlie White, compete during the senior pairs free dance program at the U.S. figure skating championships in Omaha, Neb. The world championships begin Wednesday in London, Ontario, and the main priority for skaters is to secure spots, several of them, preferably, for their country at next winter's Sochi Olympics. (AP Photo/Charlie Neibergall, File)

ADVANCE FOR WEEKEND EDITIONS, MARCH 9-10 - FILE - In this Jan. 26, 2013, file photo, Ashley Wagner reacts to the crowd before receiving her gold medal in the senior ladies competition at the U.S. figure skating championships in Omaha, Neb. The world championships begin Wednesday in London, Ontario, and the main priority for skaters is to secure spots, several of them, preferably, for their country at next winter's Sochi Olympics. (AP Photo/Charlie Neibergall, File)