When you think of democracy in America, you probably think of those dudes in their powdered wigs striking a pose at Independence Hall, or — more modernly — people standing on line for five hours just to cast a vote. You probably don’t think of the U.S. Post Office — no, that’s Cliff on “Cheers” or “Seinfeld’s” Newman, avatars for what too many view as America’s oddest job.Maybe you should think again. You know who got this better than we do? Alexis de Toqueville, the French writer, thinker and traveler who famously came to America in 1831 and chronicled what at the time truly was an exceptiona…