Anticipating strong hits by Democratic partisans in this election season, Republican House leaders advise colleagues' press officers to blow off concerns about global warming and pooh-pooh reported links between air pollution and childhood asthma and concerns about polluted rivers and lakes. "Global warming is not a fact," the House leaders attest, pointing to MIT Scientist Richard Lindzen to fortify their view. "Republicans can't stress enough that extremists are screaming 'Doomsday!' when the environment is actually seeing a new and better day," Gannett reports, quoting from the February 4 memo. Gannett reports that some Republican centrists "dispute key details and don't like its tone."