WASHINGTON - Chief executives of 10 major corporations urged Congress on Monday to require limits on greenhouse gases this year, contending voluntary efforts to combat climate change are inadequate. The call for immediate action came on the eve of President Bush's State of the Union address in which he is expected to reiterate that the industry on its own is making progress in curtailing the growth of heat-trapping emissions without the need of government intervention. But the executives and leaders of four major environmental organizations said in a letter to Bush that mandatory emissions caps are needed to reduce the...