 I'm sure Larry's mantra is the more things change, the more they stay the same. Great little story, huh? Something a little fun, something that breaks up all that anger and that political fervor. Well, let's get on with the big show today. This week on the Pet Buzz, I'm talking about how dirty cities affect pets, pets and their health with ASPCA Poison Control Center's veterinarian, Dr. Tina Wismer.