ClimateWire: A leading congressional Democrat said President Obama needs to “lay the prestige of the presidency on the line” in his State of the Union address Wednesday and in the months to come on climate change. “I think the president needs to underscore that climate and energy reform is a priority for 2010, as specifically as possible,” said Sen. John Kerry (D-Mass.), who has been working to build a global warming compromise in the Senate, where legislation remains stalled after passage in the …