When journalist Kim Kavin decided that she wanted a puppy, she did what millions of people do every year: clicked on an online photo and submitted an application. She had no idea that the adorable brindleadvertised as healthy and near her home in New Jerseywas actually a last-minute rescue from a gas-chamber shelter in North Carolina. Blue had arrived in the Northeast with at least a dozen other dogs in an RV that is just one among countless transports whose sponsors are dedicating their e…



