A few minutes before my meeting with Hillary Clinton on the Fourth of July, during my drive to the Mount Washington hotel in Bretton Woods, N.H., where she was staying, I passed a moose near the side of the road. At first I thought it was fake, one of those life-size cutouts that you sometimes see of big land mammals or, on occasion, famous politicians. But the specimen proved to be real and spectacular, antlers and all. I had never seen a moose before. It was thrilling, and I felt compelled to tell Clinton about it within seconds of my arrival....