When I'm driving on the road and see a dog in someone else's car, it makes me smile. I love it when people care enough about their dogs to chauffeur them around town. I love it even more when the dog is in a crate or seat belted in place. My smile quickly vanishes, however, if the dog has her head stuck out the window, is sitting in the driver's lap, darting back and forth across the seats, or worse, riding loose in the back of an open pickup truck. And the ultimate crime leaving a dog in a hot car motivates me to grab my cell phone and call out the animal cops. As much as we love our dogs and want them with us all the time, we have an incontrovertible obligation to transport them safely, for their own welfare as well as ours, and that of other drivers on the roads. All dogs, large and small, should learn to ride politely in their cars. There's a long list of safety hazards concomitant with having an unrestrained obstreperous canine in a moving vehicle.