Guardian: Sarah Palin, who presents herself as half of a Republican team of maverick reformers, yesterday edged away from her outmoded views on climate change, conceding for the first time that the problem might be man-made. The admission from Palin, during an interview with ABC television, brings the Republican running mate into line with the views of the party’s presidential nominee, John McCain. “I’m attributing some of man’s activities to potentially causing some of the changes in the …