Mobility can transform one’s life experience and open new worlds of possibilities. Just ask any user of a wheelchair or other mobility device—or take a look at Choppers and Whiskers. They are two female chihuahuas, both born without front legs, who captured the hearts of the Spartanburg, S.C., community after a local CBS-affiliate television station, WSPA, did a story on the dogs. Other media picked up the story, including the local Fox and NBC stations, the local newspaper and even the Daily Mail of London. Local donations helped pay for two-wheeled carts the dogs now use for mobility. The dogs came to the Spartanburg Humane Society when their owners could no longer care for them, and helping the animals become mobile was the first step...