Associated Press: President Barack Obama said Saturday that he will ask the Republican-led Congress to double spending on research and development into clean energy by 2020. But the request is unlikely to be fulfilled. GOP lawmakers scoff at the science behind climate change and dismiss Obama's pleas for the issue to be dealt with urgently. In an unusual twist in Obama's final year in office, the Republican leaders of the House and Senate budget committees have said they will not hold a customary hearing on the president's...