Tips on keeping your dog cool in the summer heat (Richmond Times-Dispatch) Afew weeks ago in a mall parking lot, a small nondescript dog was hopping from front to back seat in an SUV. Outside, it was about 90 degrees, and he was panting like crazy. The owners had left the windows open a bit. But a bit -- or even a lot -- is not enough in summer's heat. Leaving your dog in the car while you shop can easily cause Fido to drop over with heat exhaustion. And that can be ...