Al Gore has whipped up another blizzard of controversy by arguing global warming — climate change, if you prefer — causes more snow. Challenged by Fox News’ Bill O’Reilly to explain why southern New York (and, for that matter, large parts of North America and Europe) looks like “the tundra” this winter, Gore responded on his blog by quoting approvingly from a year-old column by the Chicago Tribune’s Clarence Page, commenting on last winter’s severe weather and heavy snowfall in parts of the United States. To wit: “In fact, scientists have been warning for at least two decades that global...