WASHINGTON — When it comes to combating global warming, Sen. Lindsey Graham is right where he loves to be — ahead of the curve, in the mix on a major issue, at the table for high-level, bipartisan talks behind closed doors. Graham, a South Carolina Republican, is working with Democratic Sen. John Kerry of Massachusetts and independent Sen. Joe Lieberman of Connecticut to craft a climate change bill. They face the dual challenge of overcoming widespread GOP opposition and withstanding relentless attacks by Big Oil and allied energy interests. "Our goal is to create a vision that not only will...