National Public Radio: IRA FLATOW, host: You’re listening to SCIENCE FRIDAY from NPR News. I’m Ira Flatow. As President Obama likes to say, he has a lot on his plate at the moment with Iraq and Afghanistan and health care. But what about climate change? The clock is ticking down to December, when a major U.N. summit on climate change is said to take place in Copenhagen. And while the U.S. Congress – and will the U.S. Congress take any action regarding climate change policy before then? What …