On a summer night in 2014, Clare Whiteford and her three young sons were asleep in their home. Without warning, a fire broke out in their kitchen. Everyone in the family was unaware of the danger--everyone except their adopted greyhound, Uno. The dog raced upstairs to Clare's bedroom and barked loudly. Clare woke up and rushed the children outside. Uno had saved their lives Amazingly, just a year earlier, Uno didn't have a home and was living in...