Two high-profile pet cases have reignited calls for a national animal protection law. While the scale of the public reaction adds pressure on the authorities to act, significant obstacles remain, say analysts. SHANGHAI: A man in Chongqing allegedly obtained puppies by posing as a pet adopter, then abused and even killed some of them. Meanwhile, Chutou, a celebrity border collie with more than a million online followers, was stolen from his owner's farm in central Henan, sold to a dog-meat