Christian Science Monitor: Hillary Clinton chose Asia, particularly China, for her maiden voyage next week as secretary of State. While the most urgent issue is Beijing’s help to end a global recession, Mrs. Clinton’s more planet-saving goal is to enlist China to set curbs on its carbon emissions. Without that, President Obama may not be able to win enough Senate votes for a cap on US greenhouse gases. As the world’s two largest emitters, China and the US will set the pace this year among all nations in …