Houston Chronicle: While the U.S. Senate considers a climate bill aiming to dramatically slash air pollution linked to global warming, Texas Gov. Rick Perry and other Republican leaders in the state that leads the nation in greenhouse gas production are watching closely — and objecting loudly. Perry, backed by powerful business and industry groups, for months has been denouncing the measure, saying it would cripple the vibrant Texas economy and the heavy-polluting oil, gas and chemical industries it …