In China, where dogs are both pets and meat, a prestigious competition runs into controversy

BEIJING — Every year, locals in Yulin, a city in southwestern China, skin dogs alive, then season, cook and consume them alongside lychees and grain alcohol. Three years from now, in Shanghai — nearly 1,000 miles to the northeast — world-class dog breeders will converge to show their greyhounds, Great Danes and cocker spaniels to a…