Only one country in the entire world can boast of more cars than people within its borders—an astounding 25 percent more, according to the most recent statistics. Can you guess the country? I’ll give you a few more hints: This fascinating enclave’s GDP per capita ranks among the highest on the planet, almost as high as that of the United States. It claims, credibly, to be home to the oldest existing sovereign state as well as the oldest constitutional republic. For most of its 17 centuries of existence, it’s been one of the freer and more tolerant of the world’s countries. Reminiscent of the Roman Republic of more than two millennia ago, this country has not one but two heads of state. They are elected by the legislature, are coequal in their rather limited powers, and are subject to the strictest term limits in the world. Replacements are elected every six months! More women have …