If you're a scientist trying to convince people they are making the world warmer, Kristen Byrnes is your worst nightmare. She's articulate, intelligent, she has a Web site, and one day her people will be running the world. Her people, meaning 16-year-olds. Kristen's Web site, "Ponder the Maunder," has made her a celebrity among climate skeptics. After she posted a critique of Al Gore's movie An Inconvenient Truth, her Web site got so many hits the family's internet service provider sent them a warning. Her story may dismay mainstream scientists, but plenty of people are friendly to her ideas. In...