Science writers are in a tizzy over two articles this weekend that deny the existence of global warming. One, signed by 16 scientists in the Wall Street Journal, notes "the lack of global warming for well over 10 years now." It argues that a world economy unburdened by carbon controls would enjoy an excellent "benefit-to-cost ratio" and strengthen developing countries. Another, in the Daily Mail, warns readers that solar activity will soon die down and plunge Earth into "cold summers" and "bitter winters." Enter the critics: