Six-month old Chihuahua puppies, Ellie, left, and Gulliver, right, nuzzle together at the Massachusetts Society for the Prevention of Cruelty to Animals, in Methuen, Mass. Wednesday, June 15, 2011. ... more 
Six-month old Chihuahua puppies, Ellie, left, and Gulliver, right, nuzzle together at the Massachusetts Society for the Prevention of Cruelty to Animals, in Methuen, Mass. Wednesday, June 15, 2011. The already adopted puppies, born without front legs, were fitted with wheels made by Eddie's Wheels of Shelburne, Mass. and are training to walk and run with them. (AP Photo/Elise Amendola) less 
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Associated Press | Photo By Elise Amendola
Wed, Jun 15, 2011 7:01 PM EDT