"Why do you have the wheelchair?" she asked a matter-of-factly. "I have the SMA and I can't walk by myself." replied Ella in the same tone. "The what?" was the inquiry. "The SMA," said Ella, "God made me with SMA and I can't walk by myself." Her eyes fixated on the chair, glanced purposefully to Ella's legs, then met Ella's eyes.  "Oh," was her response.  The two girls sat in silence for a moment or two. "I like Doc McStuffins."  said the girl. "Me too." replied Ella. "I like your wheelchair.  How does it work?"  the girl inquisitively asked. Ella made a friend.  They sat and played school on the pavement.  Went to the playground and enjoyed each other's company.  They learned about each other...just a little bit, but enough to keep their interest in one another alive. They played tag.  A game that can be difficult for a person in a wheelchair who has...