Reuters: An inquiry cleared British climate researchers of wrongdoing on Wednesday after their emails were hacked, leaked and held up by skeptics as evidence they had exaggerated the case for man-made global warming. Former government adviser Ronald Oxburgh, who chaired the panel, said he had found no evidence of scientific malpractice or attempts to distort the facts to support the mainstream view that manmade CO2 emissions contribute to rising temperatures. The affair stoked the …