More dogs welcomed in outdoor dining spaces, but not everyone is happy

Monty Hobbs shares food with his dog Mattox on the patio at the Olive Lounge in Takoma Park, Md. (AP)

Just in time for the summer dining season, the U.S. government has given its blessing to restaurants that want to allow pet dogs in their outdoor spaces.

But even though nearly half of states already allow canine dining outdoors, the issue is far from settled, with many diners and restaurants pushing back against the increasing presence of pooches.