Purina Pro Plan Performance Team trainer John Casey puts on a high-flying show during The Purina Pro Plan Canine Combine, on Wednesday, Jan. 30, 2013 in New Orleans, LA. (Photo by Cheryl ... more 
Purina Pro Plan Performance Team trainer John Casey puts on a high-flying show during The Purina Pro Plan Canine Combine, on Wednesday, Jan. 30, 2013 in New Orleans, LA. (Photo by Cheryl Gerber/Invision for Purina Pro Plan/AP Images) less 
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Associated Press
Wed, Jan 30, 2013 4:38 PM EST