Science: A half-dozen academic journals are investigating allegations that aerospace engineer Willie Wei-Hock Soon, a prominent skeptic of the idea that humans are contributing to global warming, failed to disclose financial ties to a fossil fuel company in papers they published. And the Proceedings of the National Academy of Sciences (PNAS) is examining fresh allegationsmade in a report released today by the advocacy group Climate Investigations Center (CIC)that Soon failed to follow disclosure rules in...