wow this has turned into quite the interesting topic. I'm just not quite sure why there's this automatic assumption that Dog alone in car = Dog alone in car in blazing hot sun... Or... Dog left alone in house = safety and Dog left alone in car = tragedy.

It's not beyond the realm of possibility that the A/C in your house could break or the heater could malfunction or somebody could break in while you're out, or somebody could toss something poisonous in your back yard.

Par...