Washington Post: LAST WINTER, bitter cold on the East Coast prompted Sen. James M. Inhofe (R-Okla.) to take a snowball onto the Senate floor in mockery of climate scientists. This winter, the weather is so warm that there are not two snowflakes in the Washington area for Mr. Inhofe to scrape together.
Just as last winters cold did not disprove global warming, this winters warmth does not, in itself, establish that humans are raising Earths average temperature. Rather, it is the long-term trend that matters...