New York Times: When President Obama tried to tackle climate change in his first term, he pushed Congress to limit and put a price on carbon pollution, but the so-called cap-and-trade bill died in the Senate in 2010. Among the chief reasons: Lawmakers from both parties feared that any law to cut greenhouse gas emissions would harm the nations competitiveness compared with China, which was then emerging as the worlds largest polluter. Since then, Republican lawmakers and presidential candidates have repeatedly...