Associated Press: More Americans believe steps taken to reduce global warming pollution will help the U.S. economy than say such measures will hurt it. It’s a sign the public is showing more faith in President Barack Obama’s economic arguments for limiting heat-trapping gases than in Republican claims that the actions would kill jobs. In an Associated Press-Stanford University poll, 40 percent said U.S. action to slow global warming in the future would create jobs. Slightly more, 46 percent, said it …