"This is Hannah," Lynne Hugo introduces her chocolate Labrador retriever to an aged woman in a wheelchair at the Golden View Nursing Home. "Would you like to pat her?"
"I don't know," the woman responds warily. "Dogs are complicated."
So, of course, is life, especially as the years accumulate and the body declines. In fact, it is precisely the most painful complications that Hugo hopes to ease with Hannah, her exuberant therapy dog.
Where...