Christina Hunger spent the morning arguing with her dog. Stella isn’t an ordinary pup. The Blue Heeler/Catahoula mix doesn’t just whine and bark. She uses her words to communicate her frustration to ...

SAN DIEGO — Guide dogs must undergo rigorous training to learn to stay on task, and the airport, which is full of distractions, is a great place to teach a pup how to focus. Inside Terminal 2 at the ...