WASHINGTON – The recent nationwide cold snap isn’t just making Americans uncomfortable. It’s turning some into lawbreakers. The shocking news of state and local regulations that make it illegal to warm up your frozen car is hitting home in Texas, Maryland, Ohio, West Virginia, Colorado, Wisconsin, South Carolina – even some cities in Minnesota. Who knew it could be illegal to run back inside while your car is warming up in winter – in a practice sometimes called “puffing”? Many Americans are getting first-hand experience this brutal winter with the latest manifestation of what some call the “Nanny State.” The...