From a distance, it might seem that environmentalists should be crestfallen that the 2008 Climate Security Act--shorthanded as Lieberman-Warner after its lead sponsors in the Senate--went down in flames on the Senate floor on Friday. The bill, which would cap fossil fuel emissions in the United States above a certain level and ask industry to pay more for any excesses, was easily the most aggressive and comprehensive environmental reform ever to hit Congress. But the bipartisan plan to cut U.S.