CNN: The eastern U.S. is warm. Really, really warm. In Central Park, the daytime high on Christmas Eve was 71 degrees Fahrenheit. That's 8 degrees over the previous record for the day. Similar records are being set all over the east. And it hasn't just been a couple days of warm weather; it's been weeks. Record high temperatures have been set by the thousands during December so far, and the month isn't over yet. The average December temperature in New York City may reach 14 degrees above average by the...