To address these issues, there should be difficult-to-attain certifications for a dog to roam free (within certain bounds), and for a dog to go with a human to

To address these issues, there should be difficult-to-attain certifications for a dog to roam free (within certain bounds), and for a dog to go with a human to places not normally allowing dogs (airplanes, restaurants, etc). The latter certification would be a prerequisite for various service dog certifications.