Samson shivered in the early morning chill, jingling the chain joining his collar and leash. The sun was a big orange food bowl hanging low on the horizon, bathing the neighborhood in its warm glow. Most of the residents were still in bed at this hour, but a few dotted the sidewalks with their best friends in tow. Samson led his best friend a few blocks to the park. It was the first Sunday of the month, which meant Pug Day. Many breeds of dogs came to the park, but the overwhelming majority today would be Pugs, the flat, wrinkled-face…